-
Singularity resolution and regular black hole formation in gravitational collapse in asymptotically safe gravity
Tomohiro Harada, Chiang-Mei Chen, Rituparna Mandal
Physical Review D
24 6 2025
-
New series expansion for the periapsis shift
Peer-reviewed
Akihito Katsumata, Tomohiro Harada, Kota Ogasawara, Hayami Iizuka
Classical and Quantum Gravity
7 2 2025
-
Geometrical origin for the compaction function for primordial black hole formation
Peer-reviewed
Tomohiro Harada, Hayami Iizuka, Yasutaka Koga, Chul-Moon Yoo
Physical Review D
28 1 2025
-
Numerical simulation of type II primordial black hole formation
Peer-reviewed
Koichiro Uehara, Albert Escrivà, Tomohiro Harada, Daiki Saito, Chul-Moon Yoo
Journal of Cosmology and Astroparticle Physics
1 1 2025
-
Primordial Black Holes: Formation, Spin and Type II
Invited
Peer-reviewed
Tomohiro Harada
Universe
30 11 2024
-
Revisiting spins of primordial black holes in a matter-dominated era based on peak theory
Peer-reviewed
Daiki Saito, Tomohiro Harada, Yasutaka Koga, Chul-Moon Yoo
Journal of Cosmology and Astroparticle Physics
1 11 2024
-
Periapsis shifts in dark matter distribution around a black hole
Peer-reviewed
Takahisa Igata, Tomohiro Harada, Hiromi Saida, Yohsuke Takamori
International Journal of Modern Physics D
12 2023
-
General formulae for the periapsis shift of a quasi-circular orbit in static spherically symmetric spacetimes and the active gravitational mass density
Peer-reviewed
Tomohiro Harada, Takahisa Igata, Hiromi Saida, Yohsuke Takamori
International Journal of Modern Physics D
11 2023
-
Revisiting compaction functions for primordial black hole formation
Peer-reviewed
Tomohiro Harada, Chul-Moon Yoo, Yasutaka Koga
Physical Review D
9 8 2023
-
Threshold of Primordial Black Hole Formation against Velocity Dispersion in Matter-Dominated Era
Peer-reviewed
Tomohiro Harada, Kazunori Kohri, Misao Sasaki, Takahiro Terada, Chul-Moon Yoo
25 11 2022
-
Radiative gravastar with Gibbons-Hawking temperature
Peer-reviewed
Ken-ichi Nakao, Kazumasa Okabayashi, Tomohiro Harada
Physical Review D
10 11 2022
-
Conformally Schwarzschild cosmological black holes
Takuma Sato, Hideki Maeda, Tomohiro Harada
Classical and Quantum Gravity
3 11 2022
-
Effective Inspiral Spin Distribution of Primordial Black Hole Binaries
Peer-reviewed
Yasutaka Koga, Tomohiro Harada, Yuichiro Tada, Shuichiro Yokoyama, Chul-Moon Yoo
The Astrophysical Journal
1 11 2022
-
Criteria for energy conditions
Peer-reviewed
Hideki Maeda, Tomohiro Harada
Classical and Quantum Gravity
6 10 2022
-
Thakurta metric does not describe a cosmological black hole
Peer-reviewed
Tomohiro Harada, Hideki Maeda, Takuma Sato
Physics Letters B833
137332
-
137332
10 2022
-
Complete classification of Friedmann–Lemaître–Robertson–Walker solutions with linear equation of state: parallelly propagated curvature singularities for general geodesics
Peer-reviewed
Tomohiro Harada, Takahisa Igata, Takuma Sato, Bernard Carr
Classical and Quantum Gravity39
(
14
)
145008
-
145008
21 7 2022
-
Primordial black hole formation from massless scalar isocurvature
Peer-reviewed
Chul-Moon Yoo, Tomohiro Harada, Shin'ichi Hirano, Hirotada Okawa, Misao Sasaki
PHYSICAL REVIEW D105
(
10
)
5 2022
-
Robustness of particle creation in the formation of a compact object
Peer-reviewed
Tomohiro Harada
Progress of Theoretical and Experimental Physics
17 2 2022
-
Backreaction of mass and angular momentum accretion on black holes: General formulation of metric perturbations and application to the Blandford–Znajek process
Peer-reviewed
Masashi Kimura, Tomohiro Harada, Atsushi Naruko, Kenji Toma
Progress of Theoretical and Experimental Physics2021
(
9
)
7 9 2021
-
Stability of small charged anti-de Sitter black holes in the Robin boundary
Peer-reviewed
Takuya Katagiri, Tomohiro Harada
Classical and Quantum Gravity38
(
13
)
135026
-
135026
12 7 2021
-
Spins of Primordial Black Holes Formed in the Radiation-dominated Phase of the Universe: First-order Effect
Peer-reviewed
Tomohiro Harada, Chul-Moon Yoo, Kazunori Kohri, Yasutaka Koga, Takeru Monobe
The Astrophysical Journal
1 2 2021
-
The First Three Seconds: a Review of Possible Expansion Histories of the Early Universe
Peer-reviewed
Tomohiro Harada
The Open Journal of Astrophysics4
(
1
)
29 1 2021
-
Abundance of primordial black holes in peak theory for an arbitrary power spectrum
Peer-reviewed
Chul-Moon Yoo, Tomohiro Harada, Shin’ichi Hirano, Kazunori Kohri
Progress of Theoretical and Experimental Physics2021
(
1
)
26 1 2021
-
Dynamical transition from a naked singularity to a black hole
Peer-reviewed
Kenta Hioki, Tomohiro Harada
International Journal of Modern Physics A35
(
31
)
10 11 2020
-
Thin-shell wormholes in Einstein and Einstein–Gauss–Bonnet theories of gravity
Peer-reviewed
Takafumi Kokubu, Tomohiro Harada
Universe6
(
11
)
11 2020
-
Sonic point and photon surface
Peer-reviewed
Masataka Tsuchiya, Chul Moon Yoo, Yasutaka Koga, Tomohiro Harada
Physical Review D102
(
4
)
15 8 2020
-
Threshold of primordial black hole formation in nonspherical collapse
Peer-reviewed
Chul Moon Yoo, Tomohiro Harada, Hirotada Okawa
Physical Review D102
(
4
)
15 8 2020
-
Extremal Kerr white holes as a source of ultrahigh energy particles
Peer-reviewed
Mandar Patil, Tomohiro Harada
Physical Review D102
(
2
)
15 7 2020
-
Uniqueness of static, isotropic low-pressure solutions of the Einstein–Vlasov system
Peer-reviewed
Maximilian Thaller, Tomohiro Harada
Letters in Mathematical Physics110
(
7
)
1877
-
1901
1 7 2020
-
Escape probability of a photon emitted near the black hole horizon
Peer-reviewed
Kota Ogasawara, Takahisa Igata, Tomohiro Harada, Umpei Miyamoto
PHYSICAL REVIEW D101
(
4
)
2 2020
-
Bursts of particle creation in gravitational collapse to a horizonless compact object
Peer-reviewed
Takafumi Kokubu, Tomohiro Harada
Physical Review D100
(
8
)
14 10 2019
-
Stability of null orbits on photon spheres and photon surfaces
Peer-reviewed
Yasutaka Koga, Tomohiro Harada
Physical Review D100
(
6
)
23 9 2019
-
Space gravitational-wave antennas DECIGO and B-DECIGO
Seiji Kawamura, Takashi Nakamura, Masaki Ando, Naoki Seto, Tomotada Akutsu, Ikkoh Funaki, Kunihito Ioka, Nobuyuki Kanda, Isao Kawano, Mitsuru Musha, Kazuhiro Nakazawa, Shuichi Sato, Takeshi Takashima, Takahiro Tanaka, Kimio Tsubono, Jun'ichi Yokoyama, Kazuhiro Agatsuma, Koh Suke Aoyanagi, Koji Arai, Akito Araya, Naoki Aritomi, Hideki Asada, Yoichi Aso, Dan Chen, Takeshi Chiba, Toshikazu Ebisuzaki, Satoshi Eguchi, Yumiko Ejiri, Motohiro Enoki, Yoshiharu Eriguchi, Masa Katsu Fujimoto, Ryuichi Fujita, Mitsuhiro Fukushima, Toshifumi Futamase, Rina Gondo, Tomohiro Harada, Tatsuaki Hashimoto, Kazuhiro Hayama, Wataru Hikida, Yoshiaki Himemoto, Hisashi Hirabayashi, Takashi Hiramatsu, Feng Lei Hong, Hideyuki Horisawa, Mizuhiko Hosokawa, Kiyotomo Ichiki, Takeshi Ikegami, Kaiki T. Inoue, Hideki Ishihara, Takehiko Ishikawa, Hideharu Ishizaki, Hiroyuki Ito, Yousuke Itoh, Kiwamu Izumi, Shinya Kanemura, Nobuki Kawashima, Fumiko Kawazoe, Naoko Kishimoto, Kenta Kiuchi, Shiho Kobayashi, Kazunori Kohri, Hiroyuki Koizumi, Yasufumi Kojima, Keiko Kokeyama, Wataru Kokuyama, Kei Kotake, Yoshihide Kozai, Hiroo Kunimori, Hitoshi Kuninaka, Kazuaki Kuroda, Sachiko Kuroyanagi, Kei Ichi Maeda, Hideo Matsuhara, Nobuyuki Matsumoto, Yuta Michimura, Osamu Miyakawa, Umpei Miyamoto, Shinji Miyoki, Mutsuko Y. Morimoto, Toshiyuki Morisawa, Shigenori Moriwaki, Shinji Mukohyama, Shigeo Nagano, Kouji Nakamura, Hiroyuki Nakano, Kenichi Nakao, Shinichi Nakasuka, Yoshinori Nakayama, Erina Nishida, Atsushi Nishizawa, Yoshito Niwa, Taiga Noumi, Yoshiyuki Obuchi, Naoko Ohishi, Masashi Ohkawa, Kenshi Okada, Norio Okada, Koki Okutomi, Kenichi Oohara, Norichika Sago
International Journal of Modern Physics D28
(
12
)
1 9 2019
-
Erratum: Spins of primordial black holes formed in the matter-dominated phase of the Universe (Physical Review D (2017) 96 (083517) DOI: 10.1103/PhysRevD.96.083517)
Peer-reviewed
Tomohiro Harada, Chul Moon Yoo, Kazunori Kohri, Ken Ichi Nakao
Physical Review D99
(
6
)
15 3 2019
-
Particle creation in gravitational collapse to a horizonless compact object
Peer-reviewed
Tomohiro Harada, Vitor Cardoso, Daiki Miyata
Physical Review D99
(
4
)
15 2 2019
-
Gravastar formation: What can be the evidence of a black hole?
Peer-reviewed
Ken Ichi Nakao, Chul Moon Yoo, Tomohiro Harada
Physical Review D99
(
4
)
15 2 2019
-
Effect of inhomogeneity on primordial black hole formation in the matter dominated era
Peer-reviewed
Takafumi Kokubu, Koutarou Kyutoku, Kazunori Kohri, Tomohiro Harada
Physical Review D98
(
12
)
15 12 2018
-
Primordial black hole abundance from random Gaussian curvature perturbations and a local density threshold
Peer-reviewed
Chul Moon Yoo, Tomohiro Harada, Jaume Garriga, Kazunori Kohri
Progress of Theoretical and Experimental Physics2018
(
12
)
1 12 2018
-
Energy emission from a high curvature region and its backreaction
Peer-reviewed
Takafumi Kokubu, Sanjay Jhingan, Tomohiro Harada
Physical Review D97
(
10
)
104014
15 5 2018
-
On the stability of a superspinar
Peer-reviewed
Ken ichi Nakao, Pankaj S. Joshi, Jun Qi Guo, Prashant Kocherlakota, Hideyuki Tagoshi, Tomohiro Harada, Mandar Patil, Andrzej Królak
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics780
410
-
413
10 5 2018
-
Complete conformal classification of the Friedmann-Lemaitre-Robertson-Walker solutions with a linear equation of state
Peer-reviewed
Tomohiro Harada, B. J. Carr, Takahisa Igata
Classical and Quantum Gravity35
(
10
)
105011
-
105011
12 4 2018
-
PBH abundance from random Gaussian curvature perturbations and a local density threshold
Chulmoon Yoo, Tomohiro Harada, Jaume Garriga, Kazunori Kohri
Proceedings of the 28th Workshop on General Relativity and Gravitation in Japan, JGRG 20182
409
-
425
2018
-
Uniqueness of static, isotropuc low-pressure solutions of the Einstein-Vlasov system
Tomohiro Harada
Proceedings of the 28th Workshop on General Relativity and Gravitation in Japan, JGRG 20183
33
-
34
2018
-
Rotating accretion flows in D dimensions - sonic points, critical points and photon spheres
Peer-reviewed
Yasutaka Koga, Tomohiro Harada
Proceedings of the 28th Workshop on General Relativity and Gravitation in Japan, JGRG 20182
(
2
)
36
-
44
2018
-
Spins of primordial black holes formed in the matter-dominated phase of the Universe
Peer-reviewed
Tomohiro Harada, Chul-Moon Yoo, Kazunori Kohri, Ken-Ichi Nakao
PHYSICAL REVIEW D96
(
8
)
083517
10 2017
-
Escape probability of the super-Penrose process
Peer-reviewed
Kota Ogasawara, Tomohiro Harada, Umpei Miyamoto, Takahisa Igata
PHYSICAL REVIEW D95
(
12
)
124019
6 2017
-
3D simulation of spindle gravitational collapse of a collisionless particle system
Peer-reviewed
Chul-Moon Yoo, Tomohiro Harada, Hirotada Okawa
Classical and Quantum Gravity34
(
10
)
105010
24 4 2017
-
PBH abundance from the random Gaussian curvature perturbation and a local density threshold
Chulmoon Yoo, Tomohiro Harada, Jaume Garriga, Kazunori Kohri
Proceedings of the 27th Workshop on General Relativity and Gravitation in Japan, JGRG 20171
239
-
249
2017
-
Example of null junction conditions: Energy emission from a naked singularity
Takafumi Kokubu, Sanjay Jhingan, Tomohiro Harada
Proceedings of the 27th Workshop on General Relativity and Gravitation in Japan, JGRG 20172
404
-
411
2017
-
Light curves of light rays passing through a wormhole
Peer-reviewed
Naoki Tsukamoto, Tomohiro Harada
PHYSICAL REVIEW D95
(
2
)
024030
1 2017
-
PRIMORDIAL BLACK HOLE FORMATION IN THE MATTER-DOMINATED PHASE OF THE UNIVERSE
Peer-reviewed
Tomohiro Harada, Chul-moon Yoo, Kazunori Kohri, Ken-ichi Nakao, Sanjay Jhingan
ASTROPHYSICAL JOURNAL833
(
1
)
61
-
61
12 2016
-
Self-similar motion of a Nambu-Goto string
Peer-reviewed
Takahisa Igata, Tsuyoshi Houri, Tomohiro Harada
PHYSICAL REVIEW D94
(
6
)
064029
9 2016
-
Spherical and nonspherical models of primordial black hole formation: exact solutions
Peer-reviewed
Tomohiro Harada, Sanjay Jhingan
PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS2016
(
9
)
093E04
9 2016
-
Correspondence between sonic points of ideal photon gas accretion and photon spheres
Peer-reviewed
Yasutaka Koga, Tomohiro Harada
PHYSICAL REVIEW D94
(
4
)
044053
8 2016
-
Consistent analytic approach to the efficiency of collisional Penrose process
Peer-reviewed
Tomohiro Harada, Kota Ogasawara, Umpei Miyamoto
PHYSICAL REVIEW D94
(
2
)
024038
7 2016
-
Vacuum excitation by sudden appearance and disappearance of a Dirichlet wall in a cavity
Peer-reviewed
Tomohiro Harada, Shunichiro Kinoshita, Umpei Miyamoto
PHYSICAL REVIEW D94
(
2
)
025006
7 2016
-
Infinite efficiency of the collisional Penrose process: Can a overspinning Kerr geometry be the source of ultrahigh-energy cosmic rays and neutrinos?
Peer-reviewed
Mandar Patil, Tomohiro Harada, Ken-ichi Nakao, Pankaj S. Joshi, Masashi Kimura
PHYSICAL REVIEW D93
(
10
)
5 2016
-
High efficiency of collisional Penrose process requires heavy particle production
Peer-reviewed
Kota Ogasawara, Tomohiro Harada, Umpei Miyamoto
PHYSICAL REVIEW D93
(
4
)
044054
2 2016
-
Does the Gauss-Bonnet term stabilize wormholes?
Peer-reviewed
Takafumi Kokubu, Hideki Maeda, Tomohiro Harada
Classical and Quantum Gravity32
(
23
)
235021
17 11 2015
-
Negative tension branes as stable thin shell wormholes
Peer-reviewed
Kokubu, T., Harada, T.
Classical and Quantum Gravity32
(
20
)
235021
11 2015
-
Timescale for trans-Planckian collisions in Kerr spacetime
Peer-reviewed
Mandar Patil, Pankaj S. Joshi, Ken-ichi Nakao, Masashi Kimura, Tomohiro Harada
EPL110
(
3
)
30004
5 2015
-
Separate universe problem: 40 years on
Peer-reviewed
B. J. Carr, Tomohiro Harada
PHYSICAL REVIEW D91
(
8
)
084048
4 2015
-
Cosmological long-wavelength solutions and primordial black hole formation
Peer-reviewed
Tomohiro Harada, Chul-Moon Yoo, Tomohiro Nakama, Yasutaka Koga
PHYSICAL REVIEW D91
(
8
)
084057
4 2015
-
Vacuum excitation by sudden (dis-)appearance of a dirichlet wall in a cavity
Umpei Miyamoto, Tomohiro Harada, Shunichiro Kinoshita
Proceedings of the 25th Workshop on General Relativity and Gravitation in Japan, JGRG 20155
1296
-
1300
2015
-
High-velocity collision of two general geodesic particles around a Kerr black hole
Peer-reviewed
Tomohiro Harada, Masashi Kimura
The 13th Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proceedings of the MG13 Meeting on General Relativity, 2012
(
210699
)
1395
-
1397
2015
-
No rotating star solutions of a perfect fluid in projectable Horava-Lifshitz gravity
Peer-reviewed
Naoki Tsukamoto, Tomohiro Harada
The 13th Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proceedings of the MG13 Meeting on General Relativity, 2012
(
210699
)
1131
-
1133
2015
-
High-velocity collision of an isco particle around a Kerr black hole
Peer-reviewed
Tomohiro Harada, Masashi Kimura
The 13th Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics and Relativistic Field Theories - Proceedings of the MG13 Meeting on General Relativity, 2012
(
210699
)
1388
-
1390
2015
-
時空特異点とトポロジー～宇宙の因果～
Invited
原田知広, 椎野克
数理科学第53巻
(
1
)
32
-
37
1 2015
-
How small can an over-spinning body be in general relativity?
Peer-reviewed
Ken-ichi Nakao, Masashi Kimura, Tomohiro Harada, Mandar Patil, Pankaj S. Joshi
PHYSICAL REVIEW D90
(
12
)
124079
12 2014
-
Black holes as particle accelerators: A brief review
Peer-reviewed
Harada, T., Kimura, M.
Classical and Quantum Gravity31
(
24
)
243001
11 2014
-
Investigating formation condition of primordial black holes for generalized initial perturbation profiles
Tomohiro Nakama, Tomohiro Harada, A. G. Polnarev, Jun'ichi Yokoyama
30 1 2014
-
Negative tension branes as stable thin shell wormholes
Takafumi Kokubu, Tomohiro Harada
JGRG 2014 - Proceedings of the 24th Workshop on General Relativity and Gravitation in Japan3
577
-
583
2014
-
21aSB-4 スペース重力波アンテナDECIGO計画(55) : DECIGO/DPFの概要(21aSB 重力波(KAGRA,DECIGO,TOBA,検出器),宇宙線・宇宙物理領域)
安東 正樹, 神田 展行, 辻川 信二, 常定 芳基, 豊嶋 守生, 鳥居 泰男, 中尾 憲一, 中澤 知洋, 中須賀 真一, 中野 寛之, 長野 重夫, 中村 康二, 井岡 邦仁, 中山 宜典, 西澤 篤志, 西田 恵里奈, 西山 和孝, 丹羽 佳人, 能見 大河, 橋本 樹明, 端山 和大, 原田 知広, 疋田 渉, 高島 健, 姫本 宣朗, 平林 久, 平松 尚志, 福嶋 美津広, 藤田 龍一, 藤本 眞克, 二間瀬 敏史, 細川 瑞彦, 堀澤 秀之, 前田 恵一, 横山 順一, 松原 英雄, 松本 伸之, 道村 唯太, 宮川 治, 宮本 雲平, 三代木 伸二, 向山 信治, 森澤 理之, 森本 睦子, 森脇 成典, 阿久津 智忠, 八木 絢外, 山川 宏, 山崎 利孝, 山元 一広, 吉田 至順, 吉野 泰造, 柳 哲文, 若林 野花, 武者 満, 上田 暁俊, 麻生 洋一, 新谷 昌人, 坂井 真一郎, 川村 静児, 青柳 巧介, 我妻 一博, 浅田 秀樹, 新井 宏二, 池上 健, 石川 毅彦, 石崎 秀晴, 石原 秀樹, 和泉 究, 市來 淨與, 瀬戸 直樹, 伊東 宏之, 伊藤 洋介, 井上 開輝, 植田 憲一, 牛場 崇文, 歌島 昌由, 江口 智士, 江尻 悠美子, 榎 基宏, 戎崎 俊一, 中村 卓史, 江里口 良治, 大石 奈緒子, 大河 正志, 大橋 正健, 大原 謙一, 大渕 喜之, 岡田 健志, 岡田 則夫, 奥富 弘基, 河島 信樹, 坪野 公夫, 川添 史子, 河野 功, 木内 建太, 岸本 直子, 國中 均, 國森 裕生, 黒田 和明, 黒柳 幸子, 小泉 宏之, 洪 鋒雷, 佐藤 修一, 郡 和範, 穀山 渉, 苔山 圭以子, 古在 由秀, 小嶌 康史, 固武 慶, 小林 史歩, 権藤 里奈, 西條 統之, 齊藤 遼, 田中 貴浩, 阪上 雅昭, 阪田 紫帆里, 佐合 紀親, 佐々木 節, 佐藤 孝, 柴田 大, 柴田 和憲, 正田 亜八香, 真貝 寿明, 末正 有, 船木 一幸, 杉山 直, 鈴木 理恵子, 諏訪 雄大, 宗宮 健太郎, 祖谷 元, 高野 忠, 高橋 走, 高橋 慶太郎, 高橋 弘毅, 高橋 史宜, 沼田 健司, 高橋 龍一, 高橋 竜太郎, 高森 昭光, 田越 秀行, 田代 寛之, 田中 伸幸, 谷口 敬介, 樽家 篤史, 千葉 剛, 陳 たん
日本物理学会講演概要集69
(
0
)
49
-
49
2014
-
High-velocity collision of particles around a rapidly rotating black hole
Harada, T.
Journal of Physics: Conference Series484
(
1
)
2014
-
Threshold of primordial black hole formation (vol 88, 084051, 2013)
Peer-reviewed
Tomohiro Harada, Chul-Moon Yoo, Kazunori Kohri
PHYSICAL REVIEW D89
(
2
)
1 2014
-
High energy collision of particles in the vicinity of extremal black holes in higher dimensions: Banados-Silk-West process as linear instability of extremal black holes
Peer-reviewed
Naoki Tsukamoto, Masashi Kimura, Tomohiro Harada
PHYSICAL REVIEW D89
(
2
)
024020
1 2014
-
Identifying the most crucial parameters of the initial curvature profile for primordial black hole formation
Peer-reviewed
Tomohiro Nakama, Tomohiro Harada, A. G. Polnarev, Jun'ichi Yokoyama
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS2014
(
1
)
037
1 2014
-
A No-Go Theorem for Rotating Stars of a Perfect Fluid without Radial Motion in Projectable Horava-Lifshitz Gravity
Peer-reviewed
Naoki Tsukamoto, Tomohiro Harada
Galaxies2013
(
1
)
261
-
274
12 2013
-
Threshold of primordial black hole formation
Peer-reviewed
Tomohiro Harada, Chul-Moon Yoo, Kazunori Kohri
PHYSICAL REVIEW D88
(
8
)
084051
10 2013
-
Escape of superheavy and highly energetic particles produced by particle collisions near maximally charged black holes
Peer-reviewed
Hiroya Nemoto, Umpei Miyamoto, Tomohiro Harada, Takafumi Kokubu
PHYSICAL REVIEW D87
(
12
)
127502
6 2013
-
Weak cosmic censorship in gravitational collapse with astrophysical parameter values
Peer-reviewed
Umpei Miyamoto, Sanjay Jhingan, Tomohiro Harada
PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS2013
(
5
)
053E1
5 2013
-
Wave effect in gravitational lensing by the Ellis wormhole
Peer-reviewed
Chul-Moon Yoo, Tomohiro Harada, Naoki Tsukamoto
Physical Review D - Particles, Fields, Gravitation and Cosmology87
(
8
)
18 4 2013
-
Wave effect in gravitational lensing by the Ellis wormhole
Peer-reviewed
Chul-Moon Yoo, Tomohiro Harada, Naoki Tsukamoto
PHYSICAL REVIEW D87
(
8
)
084045
4 2013
-
Renormalization group approach to Einstein-Rosen waves
Peer-reviewed
Tomohiro Harada, Sanjay Jhingan
Physical Review D - Particles, Fields, Gravitation and Cosmology87
(
6
)
064043
28 3 2013
-
Do Black Holes Act as Natural Particle Accelerators?
Invited
HARADA Tomohiro, KIMURA Masashi
68
(
2
)
102
-
106
2 2013
-
Signed magnification sums for general spherical lenses
Peer-reviewed
Naoki Tsukamoto, Tomohiro Harada
Physical Review D - Particles, Fields, Gravitation and Cosmology87
(
2
)
10 1 2013
-
Signed magnification sums for general spherical lenses
Peer-reviewed
Naoki Tsukamoto, Tomohiro Harada
PHYSICAL REVIEW D87
(
2
)
024024
1 2013
-
Can we distinguish between black holes and wormholes by their Einstein-ring systems?
Peer-reviewed
Naoki Tsukamoto, Tomohiro Harada, Kohji Yajima
Physical Review D - Particles, Fields, Gravitation and Cosmology86
(
10
)
27 11 2012
-
Can we distinguish between black holes and wormholes by their Einstein-ring systems?
Peer-reviewed
Naoki Tsukamoto, Tomohiro Harada, Kohji Yajima
PHYSICAL REVIEW D86
(
10
)
104062
11 2012
-
Upper limits of particle emission from high-energy collision and reaction near a maximally rotating Kerr black hole (vol 86, 024027, 2012)
Peer-reviewed
Tomohiro Harada, Hiroya Nemoto, Umpei Miyamoto
PHYSICAL REVIEW D86
(
6
)
9 2012
-
Upper limits of particle emission from high-energy collision and reaction near a maximally rotating Kerr black hole
Peer-reviewed
Tomohiro Harada, Hiroya Nemoto, Umpei Miyamoto
PHYSICAL REVIEW D86
(
2
)
024027
7 2012
-
Effect of a weak electromagnetic field on particle acceleration by a rotating black hole
Peer-reviewed
Takahisa Igata, Tomohiro Harada, Masashi Kimura
PHYSICAL REVIEW D85
(
10
)
104028
5 2012
-
Research of the celestial objects by gravitational lensing
Naoki Tsukamoto, Tomohiro Harada, Kohji Yajima
RESCEU Symposium on General Relativity and Gravitation, JGRG 22
111220
2012
-
Collision of an object in the transition from adiabatic inspiral to plunge around a Kerr black hole
Peer-reviewed
Tomohiro Harada, Masashi Kimura
PHYSICAL REVIEW D84
(
12
)
124032
12 2011
-
A trapped surface in the higher-dimensional self-similar Vaidya spacetime
Masahiro Shimano, Tomohiro Harada, Naoki Tsukamoto
17 8 2011
-
The Japanese space gravitational wave antenna: DECIGO
Peer-reviewed
Kawamura, Seiji, Ando, Masaki, Seto, Naoki, Sato, Shuichi, Nakamura, Takashi, Tsubono, Kimio, K, a, Nobuyuki, Tanaka, Takahiro, Yokoyama, Jun'ichi, Funaki, Ikkoh, Numata, Kenji, Ioka, Kunihito, Takashima, Takeshi, Agatsuma, Kazuhiro, Akutsu, Tomotada, Aoyanagi, Koh-suke, Arai, Koji, Araya, Akito, Asada, Hideki, Aso, Yoichi, Chen, Dan, Chiba, Takeshi, Ebisuzaki, Toshikazu, Ejiri, Yumiko, Enoki, Motohiro, Eriguchi, Yoshiharu, Fujimoto, Masa-Katsu, Fujita, Ryuichi, Fukushima, Mitsuhiro, Futamase, Toshifumi, Harada, Tomohiro, Hashimoto, Tatsuaki, Hayama, Kazuhiro, Hikida, Wataru, Himemoto, Yoshiaki, Hirabayashi, Hisashi, Hiramatsu, Takashi, Hong, Feng-Lei, Horisawa, Hideyuki, Hosokawa, Mizuhiko, Ichiki, Kiyotomo, Ikegami, Takeshi, Inoue, Kaiki T, Ishidoshiro, Koji, Ishihara, Hideki, Ishikawa, Takehiko, Ishizaki, Hideharu, Ito, Hiroyuki, Itoh, Yousuke, Izumi, Kiwamu, Kawano, Isao, Kawashima, Nobuki, Kawazoe, Fumiko, Kishimoto, Naoko, Kiuchi, Kenta, Kobayashi, Shiho, Kohri, Kazunori, Koizumi, Hiroyuki, Kojima, Yasufumi, Kokeyama, Keiko, Kokuyama, Wataru, Kotake, Kei, Kozai, Yoshihide, Kunimori, Hiroo, Kuninaka, Hitoshi, Kuroda, Kazuaki, Kuroyanagi, Sachiko, Maeda, Kei-ichi, Matsuhara, Hideo, Matsumoto, Nobuyuki, Michimura, Yuta, Miyakawa, Osamu, Miyamoto, Umpei, Miyoki, Shinji, Morimoto, Mutsuko Y, Morisawa, Toshiyuki, Moriwaki, Shigenori, Mukohyama, Shinji, Musha, Mitsuru, Nagano, Shigeo, Naito, Isao, Nakamura, Kouji, Nakano, Hiroyuki, Nakao, Kenichi, Nakasuka, Shinichi, Nakayama, Yoshinori, Nakazawa, Kazuhiro, Nishida, Erina, Nishiyama, Kazutaka, Nishizawa, Atsushi, Niwa, Yoshito, Noumi, Taiga, Obuchi, Yoshiyuki, Ohashi, Masatake, Ohishi, Naoko, Ohkawa, Masashi, Okada, Kenshi, Okada, Norio, Oohara, Kenichi, Sago, Norichika, Saijo, Motoyuki, Saito, Ryo, Sakagami, Masaaki, Sakai, Shin-ichiro, Sakata, Shihori, Sasaki, Misao, Sato, Takashi, Shibata, Masaru, Shinkai, Hisaaki, Shoda, Ayaka, Somiya, Kentaro, Sotani, Hajime, Sugiyama, Naoshi, Suwa, Yudai, Suzuki, Rieko, Tagoshi, Hideyuki, Takahashi, Fuminobu, Takahashi, Kakeru, Takahashi, Keitaro, Takahashi, Ryutaro, Takahashi, Ryuichi, Takahashi, Tadayuki, Takahashi, Hirotaka, Akiteru, Takamori, Takano, Tadashi, Tanaka, Nobuyuki, Taniguchi, Keisuke, Taruya, Atsushi, Tashiro, Hiroyuki, Torii, Yasuo, Toyoshima, Morio, Tsujikawa, Shinji, Tsunesada, Yoshiki, Ueda, Akitoshi, Ueda, Ken-ichi, Utashima, Masayoshi, Wakabayashi, Yaka, Yagi, Kent, Yamakawa, Hiroshi, Yamamoto, Kazuhiro, Yamazaki, Toshitaka, Yoo, Chul-Moon, Yoshida, Shijun, Yoshino, Taizoh, Sun, Ke-Xun
Classical and Quantum Gravity28
(
9
)
094011
-
094011
5 2011
-
Discretization parameter and operator ordering in loop quantum cosmology with the cosmological constant
Peer-reviewed
Tomo Tanaka, Fumitoshi Amemiya, Masahiro Shimano, Tomohiro Harada, Takashi Tamaki
PHYSICAL REVIEW D83
(
10
)
104049
5 2011
-
Collision of two general geodesic particles around a Kerr black hole
Peer-reviewed
Tomohiro Harada, Masashi Kimura
PHYSICAL REVIEW D83
(
8
)
084041
4 2011
-
There are no stationary axisymmetric star solutions in hořava- lifshitz gravity
Naoki Tsukamoto, Tomohiro Harada
Proceedings of the 21st Workshop on General Relativity and Gravitation in Japan, JGRG 2011
42
-
45
2011
-
Astrophysical censorship
Umpei Miyamoto, Sanjay Jhingan, Tomohiro Harada
Proceedings of the 21st Workshop on General Relativity and Gravitation in Japan, JGRG 2011
76
-
79
2011
-
Black hole candidates and the Kerr bound
Peer-reviewed
Tomohiro Harada, Rohta Takahashi
SPANISH RELATIVITY MEETING (ERE 2010): GRAVITY AS A CROSSROAD IN PHYSICS314
2011
-
Uniqueness of static spherically symmetric vacuum solutions in the IR limit of nonrelativistic quantum gravity
Tomohiro Harada, Umpei Miyamoto, Naoki Tsukamoto
SPANISH RELATIVITY MEETING (ERE 2010): GRAVITY AS A CROSSROAD IN PHYSICS314
2011
-
Collision of an innermost stable circular orbit particle around a Kerr black hole
Peer-reviewed
Tomohiro Harada, Masashi Kimura
PHYSICAL REVIEW D83
(
2
)
024002
1 2011
-
UNIQUENESS OF STATIC SPHERICALLY SYMMETRIC VACUUM SOLUTIONS IN THE IR LIMIT OF HORAVA-LIFSHITZ GRAVITY
Peer-reviewed
Tomohiro Harada, Umpei Miyamoto, Naoki Tsukamoto
INTERNATIONAL JOURNAL OF MODERN PHYSICS D20
(
1
)
111
-
118
1 2011
-
Can a primordial black hole or wormhole grow as fast as the universe?
Peer-reviewed
Carr, B.J., Harada, T., Maeda, H.
Classical and Quantum Gravity27
(
18
)
8 2010
-
Visible borders of spacetime generated by high-energy collisions
Peer-reviewed
Nakao, K.-I., Harada, T., Miyamoto, U.
Physical Review D - Particles, Fields, Gravitation and Cosmology82
(
12
)
7 2010
-
``Discretisation parameter and operator ordering in loop quantum cosmology with the cosmological constant''
Tomo Tanaka, Fumitoshi Amemiya, Masahiro Shimano, Tomohiro Harada, Takashi Tamaki
arXiv:1005.2518
5 2010
-
Outflows from accreting super-spinars
Peer-reviewed
Cosimo Bambi, Tomohiro Harada, Rohta Takahashi, Naoki Yoshida
PHYSICAL REVIEW D81
(
10
)
5 2010
-
DECIGO and DECIGO pathfinder
Peer-reviewed
Masaki Ando, Seiji Kawamura, Naoki Seto, Shuichi Sato, Takashi Nakamura, Kimio Tsubono, Takeshi Takashima, Ikkoh Funaki, Kenji Numata, Nobuyuki Kanda, Takahiro Tanaka, Kunihito Ioka, Kazuhiro Agatsuma, Koh-suke Aoyanagi, Koji Arai, Akito Araya, Hideki Asada, Yoichi Aso, Takeshi Chiba, Toshikazu Ebisuzaki, Yumiko Ejiri, Motohiro Enoki, Yoshiharu Eriguchi, Masa-Katsu Fujimoto, Ryuichi Fujita, Mitsuhiro Fukushima, Toshifumi Futamase, Tomohiro Harada, Tatsuaki Hashimoto, Kazuhiro Hayama, Wataru Hikida, Yoshiaki Himemoto, Hisashi Hirabayashi, Takashi Hiramatsu, Feng-Lei Hong, Hideyuki Horisawa, Mizuhiko Hosokawa, Kiyotomo Ichiki, Takeshi Ikegami, Kaiki T. Inoue, Koji Ishidoshiro, Hideki Ishihara, Takehiko Ishikawa, Hideharu Ishizaki, Hiroyuki Ito, Yousuke Itoh, Kiwamu Izumi, Isao Kawano, Nobuki Kawashima, Fumiko Kawazoe, Naoko Kishimoto, Kenta Kiuchi, Shiho Kobayashi, Kazunori Kohri, Hiroyuki Koizumi, Yasufumi Kojima, Keiko Kokeyama, Wataru Kokuyama, Kei Kotake, Yoshihide Kozai, Hiroo Kunimori, Hitoshi Kuninaka, Kazuaki Kuroda, Kei-ichi Maeda, Hideo Matsuhara, Yasushi Mino, Osamu Miyakawa, Umpei Miyamoto, Shinji Miyoki, Mutsuko Y. Morimoto, Toshiyuki Morisawa, Shigenori Moriwaki, Shinji Mukohyama, Mitsuru Musha, Shigeo Nagano, Isao Naito, Kouji Nakamura, Masahiro Nakamura, Hiroyuki Nakano, Kenichi Nakao, Shinichi Nakasuka, Yoshinori Nakayama, Kazuhiro Nakazawa, Erina Nishida, Kazutaka Nishiyama, Atsushi Nishizawa, Yoshito Niwa, Taiga Noumi, Yoshiyuki Obuchi, Masatake Ohashi, Naoko Ohishi, Masashi Ohkawa, Kenshi Okada, Norio Okada, Kenichi Oohara, Norichika Sago, Motoyuki Saijo, Ryo Saito, Masaaki Sakagami, Shin-ichiro Sakai, Shihori Sakata, Misao Sasaki, Takashi Sato, Masaru Shibata, Hisaaki Shinkai, Kentaro Somiya, Hajime Sotani, Naoshi Sugiyama, Yudai Suwa, Rieko Suzuki, Hideyuki Tagoshi, Fuminobu Takahashi, Kakeru Takahashi, Keitaro Takahashi, Ryutaro Takahashi, Ryuichi Takahashi, Tadayuki Takahashi, Hirotaka Takahashi, Takamori Akiteru, Tadashi Takano, Keisuke Taniguchi, Atsushi Taruya, Hiroyuki Tashiro, Yasuo Torii, Morio Toyoshima, Shinji Tsujikawa, Yoshiki Tsunesada, Akitoshi Ueda, Ken-ichi Ueda, Masayoshi Utashima, Yaka Wakabayashi, Kent Yagi, Hiroshi Yamakawa, Kazuhiro Yamamoto, Toshitaka Yamazaki, Jun'ichi Yokoyama, Chul-Moon Yoo, Shijun Yoshida, Taizoh Yoshino, Ken-Xun Sun
CLASSICAL AND QUANTUM GRAVITY27
(
8
)
4 2010
-
A note on trapped surfaces in the Oppenheimer-Snyder solution
Masahiro Shimano, Naoki Tsukamoto, Kohji Yaijma, Tomohiro Harada
Proceedings of the 20th Workshop on General Relativity and Gravitation in Japan, JGRG 2010
363
-
366
2010
-
Observational testability of a Kerr bound in the x-ray spectrum of black hole candidates
Peer-reviewed
Rohta Takahashi, Tomohiro Harada
Classical and Quantum Gravity27
(
7
)
2010
-
``Einstein-Rosen waves and self-similarity''
Tomohiro Harada
Proceedings of the 19th Workshop on General Relativity and Gravitation, 30 Nov-4 Dec, 2009, Tokyo, Japan, ed. M. Saijo, U. Miyamoto, T. Harada, M. Sasaki, T. Shiromizu and S. Mukohyama, pp. 153-156, http://www-tap.scphys.kyoto-u.ac.jp/jgrg/proc/JGRG19.pdf.
12 2009
-
Einstein-Rosen waves and the self-similarity hypothesis in cylindrical symmetry (vol 80, 024025, 2009)
Peer-reviewed
Tomohiro Harada, Ken-ichi Nakao, Brien C. Nolan
PHYSICAL REVIEW D80
(
10
)
11 2009
-
``Static spherically symmetric solutions in the IR limit of nonrelativistic quantum gravity''
Tomohiro Harada, Umpei Miyamoto, Naoki Tsukamoto
arXiv:0911.1187.
11 2009
-
Accretion process onto super-spinning objects
Peer-reviewed
Cosimo Bambi, Katherine Freese, Tomohiro Harada, Rohta Takahashi, Naoki Yoshida
PHYSICAL REVIEW D80
(
10
)
11 2009
-
Observational constraints of a power spectrum from superinflation in loop quantum cosmology
Peer-reviewed
Masahiro Shimano, Tomohiro Harada
PHYSICAL REVIEW D80
(
6
)
9 2009
-
Relativistic Gravitational Collapse of a Cylindrical Shell of Dust. II - Settling Down Boundary Condition
Peer-reviewed
Ken-ichi Nakao, Tomohiro Harada, Yasunari Kurita, Yoshiyuki Morisawa
PROGRESS OF THEORETICAL PHYSICS122
(
2
)
521
-
541
8 2009
-
Einstein-Rosen waves and the self-similarity hypothesis in cylindrical symmetry
Peer-reviewed
Tomohiro Harada, Ken-ichi Nakao, Brien C. Nolan
PHYSICAL REVIEW D80
(
2
)
7 2009
-
DECIGO pathfinder
Masaki Ando, Seiji Kawamura, Shuichi Sato, Takashi Nakamura, Kimio Tsubono, Akito Araya, Ikkoh Funaki, Kunihito Ioka, Nobuyuki Kanda, Shigenori Moriwaki, Mitsuru Musha, Kazuhiro Nakazawa, Kenji Numata, Shin-ichiro Sakai, Naoki Seto, Takeshi Takashima, Takahiro Tanaka, Kazuhiro Agatsuma, Koh-suke Aoyanagi, Koji Arai, Hideki Asada, Yoichi Aso, Takeshi Chiba, Toshikazu Ebisuzaki, Yumiko Ejiri, Motohiro Enoki, Yoshiharu Eriguchi, Masa-Katsu Fujimoto, Ryuichi Fujita, Mitsuhiro Fukushima, Toshifumi Futamase, Katsuhiko Ganzu, Tomohiro Harada, Tatsuaki Hashimoto, Kazuhiro Hayama, Wataru Hikida, Yoshiaki Himemoto, Hisashi Hirabayashi, Takashi Hiramatsu, Feng-Lei Hong, Hideyuki Horisawa, Mizuhiko Hosokawa, Kiyotomo Ichiki, Takeshi Ikegami, Kaiki T. Inoue, Koji Ishidoshiro, Hideki Ishihara, Takehiko Ishikawa, Hideharu Ishizaki, Hiroyuki Ito, Yousuke Itoh, Nobuki Kawashima, Fumiko Kawazoe, Naoko Kishimoto, Kenta Kiuchi, Shiho Kobayashi, Kazunori Kohri, Hiroyuki Koizumi, Yasufumi Kojima, Keiko Kokeyama, Wataru Kokuyama, Kei Kotake, Yoshihide Kozai, Hideaki Kudoh, Hiroo Kunimori, Hitoshi Kuninaka, Kazuaki Kuroda, Kei-ichi Maeda, Hideo Matsuhara, Yasushi Mino, Osamu Miyakawa, Shinji Miyoki, Mutsuko Y. Morimoto, Tomoko Morioka, Toshiyuki Morisawa, Shinji Mukohyama, Shigeo Nagano, Isao Naito, Kouji Nakamura, Hiroyuki Nakano, Kenichi Nakao, Shinichi Nakasuka, Yoshinori Nakayama, Erina Nishida, Kazutaka Nishiyama, Atsushi Nishizawa, Yoshito Niwa, Taiga Noumi, Yoshiyuki Obuchi, Masatake Ohashi, Naoko Ohishi, Masashi Ohkawa, Norio Okada, Kouji Onozato, Kenichi Oohara, Norichika Sago, Motoyuki Saijo, Masaaki Sakagami, Shihori Sakata, Misao Sasaki, Takashi Sato, Masaru Shibata, Hisaaki Shinkai, Kentaro Somiya, Hajime Sotani, Naoshi Sugiyama, Yudai Suwa, Rieko Suzuki, Hideyuki Tagoshi, Fuminobu Takahashi, Kakeru Takahashi, Keitaro Takahashi, Ryutaro Takahashi, Ryuichi Takahashi, Tadayuki Takahashi, Hirotaka Takahashi, Takamori Akiteru, Tadashi Takano, Keisuke Taniguchi, Atsushi Taruya, Hiroyuki Tashiro, Yasuo Torii, Morio Toyoshima, Shinji Tsujikawa, Yoshiki Tsunesada, Akitoshi Ueda, Ken-ichi Ueda, Masayoshi Utashima, Yaka Wakabayashi, Hiroshi Yamakawa, Kazuhiro Yamamoto, Toshitaka Yamazaki, Jun'ichi Yokoyama, Chul-Moon Yoo, Shijun Yoshida, Taizoh Yoshino
CLASSICAL AND QUANTUM GRAVITY26
(
9
)
5 2009
-
Cosmological wormholes
Peer-reviewed
Hideki Maeda, Tomohiro Harada, B. J. Carr
PHYSICAL REVIEW D79
(
4
)
2 2009
-
Robustness of singularity avoidance in loop quantum cosmology
Tomo Tanaka, Masahiro Shimano, Fumitoshi Amemiya, Tomohiro Harada
Proceedings of the 19th Workshop on General Relativity and Gravitation in Japan, JGRG 2009
355
-
358
2009
-
Closed trapped surfaces in higher dimensional vaidya type solutions
Masahiro Shimano, Tomohiro Harada
Proceedings of the 19th Workshop on General Relativity and Gravitation in Japan, JGRG 2009
319
-
322
2009
-
DECIGO: The Japanese space gravitational wave antenna
Shuichi Sato, Seiji Kawamura, Masaki Ando, Takashi Nakamura, Kimio Tsubono, Akito Araya, Ikkoh Funaki, Kunihito Ioka, Nobuyuki Kanda, Shigenori Moriwaki, Mitsuru Musha, Kazuhiro Nakazawa, Kenji Numata, Shin Ichiro Sakai, Naoki Seto, Takeshi Takashima, Takahiro Tanaka, Kazuhiro Agatsuma, Koh Suke Aoyanagi, Koji Arai, Hideki Asada, Yoichi Aso, Takeshi Chiba, Toshikazu Ebisuzaki, Yumiko Ejiri, Motohiro Enoki, Yoshiharu Eriguchi, Masa Katsu Fujimoto, Ryuichi Fujita, Mitsuhiro Fukushima, Toshifumi Futamase, Katsuhiko Ganzu, Tomohiro Harada, Tatsuaki Hashimoto, Kazuhiro Hayama, Wataru Hikida, Yoshiaki Himemoto, Hisashi Hirabayashi, Takashi Hiramatsu, Feng Lei Hong, Hideyuki Horisawa, Mizuhiko Hosokawa, Kiyotomo Ichiki, Takeshi Ikegami, Kaiki TInoue, Koji Ishidoshiro, Hideki Ishihara, Takehiko Ishikawa, Hideharu Ishizaki, Hiroyuki Ito, Yousuke Itoh, Nobuki Kawashima, Fumiko Kawazoe, Kishimoto Naoko, Kenta Kiuchi, Shiho Kobayashi, Kazunori Kohri, Hiroyuki Koizumi, Yasufumi Kojima, Keiko Kokeyama, Wataru Kokuyama, Kei Kotake, Yoshihide Kozai, Hideaki Kudoh, Hiroo Kunimori, Hitoshi Kuninaka, Kazuaki Kuroda, Kei Ichi Maeda, Hideo Matsuhara, Yasushi Mino, Osamu Miyakawa, Shinji Miyoki, Mutsuko YMorimoto, Tomoko Morioka, Toshiyuki Morisawa, Shinji Mukohyama, Shigeo Nagano, Isao Naito, Kouji Nakamura, Hiroyuki Nakano, Kenichi Nakao, Shinichi Nakasuka, Yoshinori Nakayama, Erina Nishida, Kazutaka Nishiyama, Atsushi Nishizawa, Yoshito Niwa, Taiga Noumi, Yoshiyuki Obuchi, Masatake Ohashi, Naoko Ohishi, Masashi Ohkawa, Norio Okada, Kouji Onozato, Kenichi Oohara, Norichika Sago, Motoyuki Saijo, Masaaki Sakagami, Shihori Sakata, Misao Sasaki
Journal of Physics: Conference Series154
2009
-
Self-similar black holes in an accelerated universe
Tomohiro Harada
PHYSICS AND MATHEMATICS OF GRAVITATION1122
288
-
291
2009
-
Singularities and self-similarity in gravitational collapse
Tomohiro Harada
NONCOMMUTATIVITY AND SINGULARITIES: PROCEEDINGS OF FRENCH-JAPANESE SYMPOSIA HELD AT IHES IN 200655
15
-
30
2009
-
High-speed collapse of a hollow sphere of type i matter
Peer-reviewed
Zahid Ahmad, Tomohiro Harada, Ken-Ichi Nakao, M. Sharif
Classical and Quantum Gravity26
(
3
)
2009
-
``Gravitational collapse of a dust ball from the perspective of loop quantum gravity: an application''
Tomohiro Harada
Proceedings of the 18th Workshop on General Relativity and Gravitation, 17-21 Nov, 2008, Hiroshima, Japan, ed. Y. Kojima, K. Yamamoto, R. Yamazaki, and M. Sasaki, pp. 49-52, http://www-tap.scphys.kyoto-u.ac.jp/jgrg/proc/JGRG18.pdf.
11 2008
-
Lemaitre-Tolman-Bondi collapse from the perspective of loop quantum gravity
Peer-reviewed
Martin Bojowald, Tomohiro Harada, Rakesh Tibrewala
PHYSICAL REVIEW D78
(
6
)
9 2008
-
Asymptotically Friedmann self-similar scalar field solutions with potential
Peer-reviewed
Masanori Kyo, Tomohiro Harada, Hideki Maeda
PHYSICAL REVIEW D77
(
12
)
6 2008
-
Self-similar cosmological solutions with dark energy. II. Black holes, naked singularities, and wormholes
Peer-reviewed
Hideki Maeda, Tomohiro Harada, B. J. Carr
Physical Review D - Particles, Fields, Gravitation and Cosmology77
(
2
)
11 1 2008
-
The scalar field potential and the energy density of the super-ination in loop quantum cosmology
Masahiro Shimano, Tomohiro Harada
Proceedings of the 18th Workshop on General Relativity and Gravitation in Japan, JGRG 2008
2008
-
``Black Holes in Scalar field/Quintessence Cosmology''
Tomohiro Harada
the Proceedings of the Eleventh Marcel Grossmann Meeting on General Relativity, ed. H. Kleinert, R. Jantzen and R. Ruffini, pp. 1113-1115 (World Scientific, Singapore, 2008).
1 2008
-
``Black Hole Evaporation in a Friedmann Universe''
Tomohiro Harada
the Proceedings of the 8th International Conference on Gravitation and Astrophysics, ed. M. Kenmoku and M. Sasaki, pp. 21-22 (Press Section of ICGA8, Nara Women's University, 2008).
1 2008
-
Self-similar cosmological solutions with dark energy. I. Formulation and asymptotic analysis
Peer-reviewed
Tomohiro Harada, Hideki Maeda, B. J. Carr
PHYSICAL REVIEW D77
(
2
)
1 2008
-
The Japanese Space Gravitational Wave Antenna; DECIGO
Seiji Kawamura, Masaki Ando, Takashi Nakamura, Kimio Tsubono, Takahiro Tanaka, Ikkoh Funaki, Naoki Seto, Kenji Numata, Shuichi Sato, Kunihito Ioka, Nobuyuki Kanda, Takeshi Takashima, Kazuhiro Agatsuma, Tomotada Akutsu, Tomomi Akutsu, Koh-suke Aoyanagi, Koji Arai, Yuta Arase, Akito Araya, Hideki Asada, Yoichi Aso, Takeshi Chiba, Toshikazu Ebisuzaki, Motohiro Enoki, Yoshiharu Eriguchi, Masa-Katsu Fujimoto, Ryuichi Fujita, Mitsuhiro Fukushima, Toshifumi Futamase, Katsuhiko Ganzu, Tomohiro Harada, Tatsuaki Hashimoto, Kazuhiro Hayama, Wataru Hikida, Yoshiaki Himemoto, Hisashi Hirabayashi, Takashi Hiramatsu, Feng-Lei Hong, Hideyuki Horisawa, Mizuhiko Hosokawa, Kiyotomo Ichiki, Takeshi Ikegami, Kaiki T. Inoue, Koji Ishidoshiro, Hideki Ishihara, Takehiko Ishikawa, Hideharu Ishizaki, Hiroyuki Ito, Yousuke Itoh, Shogo Kamagasako, Nobuki Kawashima, Fumiko Kawazoe, Hiroyuki Kirihara, Naoko Kishimoto, Kenta Kiuchi, Shiho Kobayashi, Kazunori Kohri, Hiroyuki Koizumi, Yasufumi Kojima, Keiko Kokeyama, Wataru Kokuyama, Kei Kotake, Yoshihide Kozai, Hideaki Kudoh, Hiroo Kunimori, Hitoshi Kuninaka, Kazuaki Kuroda, Kei-ichi Maeda, Hideo Matsuhara, Yasushi Mino, Osamu Miyakawa, Shinji Miyoki, Mutsuko Y. Morimoto, Tomoko Morioka, Toshiyuki Morisawa, Shigenori Moriwaki, Shinji Mukohyama, Mitsuru Musha, Shigeo Nagano, Isao Naito, Noriyasu Nakagawa, Kouji Nakamura, Hiroyuki Nakano, Kenichi Nakao, Shinichi Nakasuka, Yoshinori Nakayama, Erina Nishida, Kazutaka Nishiyama, Atsushi Nishizawa, Yoshito Niwa, Masatake Ohashi, Naoko Ohishi, Masashi Ohkawa, Akira Okutomi, Kouji Onozato, Kenichi Oohara, Norichika Sago, Motoyuki Saijo, Masaaki Sakagami, Shin-ichiro Sakai, Shihori Sakata, Misao Sasaki, Takashi Sato, Masaru Shibata, Hisaaki Shinkai, Kentaro Somiya, Hajime Sotani, Naoshi Sugiyama, Yudai Suwa, Hideyuki Tagoshi, Kakeru Takahashi, Keitaro Takahashi, Tadayuki Takahashi, Hirotaka Takahashi, Ryuichi Takahashi, Ryutaro Takahashi, Akiteru Takamori, Tadashi Takano, Keisuke Taniguchi, Atsushi Taruya, Hiroyuki Tashiro, Mitsuru Tokuda, Masao Tokunari, Morio Toyoshima, Shinji Tsujikawa, Yoshiki Tsunesada, Ken-ichi Ueda, Masayoshi Utashima, Hiroshi Yamakawa, Kazuhiro Yamamoto, Toshitaka Yamazaki, Jun'ichi Yokoyama, Chul-Moon Yoo, Shijun Yoshida, Taizoh Yoshino
TAUP2007: TENTH INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS120
2008
-
Self-similar cosmological solutions with dark energy. II. Black holes, naked singularities, and wormholes
Peer-reviewed
Hideki Maeda, Tomohiro Harada, B. J. Carr
PHYSICAL REVIEW D77
(
2
)
1 2008
-
``Self-similar cosmological solutions with dark energy''
Tomohiro Harada
Proceedings of the 17th Workshop on General Relativity and Gravitation, 3 - 7 Dec 2007, Nagoya, Japan, ed. Y. Nambu, E. Mitsuda and M. Sasaki, pp. 289-292, http://www-tap.scphys.kyoto-u.ac.jp/jgrg/proc/JGRG17.pdf.
12 2007
-
Critical Collapse of Einstein Cluster(Astrophysics and Relativity)
Peer-reviewed
Ashutosh MAHAJAN, Tomohiro HARADA, Pankaj JOSHI, Ken-ichi NAKAO, Department of Physics Rikkyo University:Department of Physics Kyoto University, Department of Physics Osaka City University
Progress of theoretical physics = Progress of theoretical physics118
(
5
)
865
-
878
25 11 2007
-
Black hole evaporation in an expanding universe
Peer-reviewed
Hiromi Saida, Tomohiro Harada, Hideki Maeda
CLASSICAL AND QUANTUM GRAVITY24
(
18
)
4711
-
4732
9 2007
-
Analytical solutions for black-hole critical behaviour
Peer-reviewed
Harada, T., Mahajan, A.
General Relativity and Gravitation39
(
11
)
8 2007
-
「原始ブラックホールの形成と成長」
原田知広
日本物理学会誌第62巻第1号30頁（日本物理学会、東京、2007年1月）
1 2007
-
Relativistic gravitational collapse of a cylindrical shell of dust
Peer-reviewed
Ken-ichi Nakao, Yasunari Kurita, Yoshiyuki Morisawa, Tomohiro Harada
PROGRESS OF THEORETICAL PHYSICS117
(
1
)
75
-
102
1 2007
-
``Critical Collapse of Einstein Cluster''
Peer-reviewed
Ashutosh Mahajan, Tomohiro Harada, Pankaj S. Joshi, Ken-ichi Nakao
Prog. Theor. Phys. 118(5)
1 2007
-
Is there a black hole minimum mass?
Peer-reviewed
Tomohiro Harada
PHYSICAL REVIEW D74
(
8
)
10 2006
-
The Japanese space gravitational wave antenna - DECIGO
Seiji Kawamura, Takashi Nakamura, Masaki Ando, Naoki Seto, Kimio Tsubono, Kenji Numata, Ryuichi Takahashi, Shigeo Nagano, Takehiko Ishikawa, Mitsuru Musha, Ken-ichi Ueda, Takashi Sato, Mizuhiko Hosokawa, Kazuhiro Agatsuma, Tomotada Akutsu, Koh-suke Aoyanagi, Koji Arai, Akito Araya, Hideki Asada, Yoichi Aso, Takeshi Chiba, Toshikazu Ebisuzaki, Yoshiharu Eriguchi, Masa-Katsu Fujimoto, Mitsuhiro Fukushima, Toshifumi Futamase, Katsuhiko Ganzu, Tomohiro Harada, Tatsuaki Hashimoto, Kazuhiro Hayama, Wataru Hikida, Yoshiaki Himemoto, Hisashi Hirabayashi, Takashi Hiramatsu, Kiyotomo Ichiki, Takeshi Ikegami, Kaiki T. Inoue, Kunihito Ioka, Koji Ishidoshiro, Yousuke Itoh, Shogo Kamagasako, Nobuyuki Kanda, Nobuki Kawashima, Hiroyuki Kirihara, Kenta Kiuchi, Shiho Kobayashi, Kazunori Kohri, Yasufumi Kojima, Keiko Kokeyama, Yoshihide Kozai, Hideaki Kudoh, Hiroo Kunimori, Kazuaki Kuroda, Kei-ichi Maeda, Hideo Matsuhara, Yasushi Mino, Osamu Miyakawa, Shinji Miyoki, Hiromi Mizusawa, Toshiyuki Morisawa, Shinji Mukohyama, Isao Naito, Noriyasu Nakagawa, Kouji Nakamura, Hiroyuki Nakano, Atsushi Nishizawa, Yoshito Niwa, Choetsu Nozawa, Masatake Ohashi, Naoko Ohishi, Masashi Ohkawa, Akira Okutomi, Kenichi Oohara, Norichika Sago, Motoyuki Saijo, Masaaki Sakagami, Shihori Sakata, Misao Sasaki, Shuichi Sato, Masaru Shibata, Hisaaki Shinkai, Kentaro Somiya, Hajime Sotani, Naoshi Sugiyama, Hideyuki Tagoshi, Tadayuki Takahashi, Hirotaka Takahashi, Ryutaro Takahashi, Tadashi Takano, Takahiro Tanaka, Keisuke Taniguchi, Atsushi Taruya, Hiroyuki Tashiro, Masao Tokunari, Shinji Tsujikawa, Yoshiki Tsunesada, Kazuhiro Yamamoto, Toshitaka Yamazaki, Jun'ichi Yokoyama, Chul-Moon Yoo, Shijun Yoshida, Taizoh Yoshino
CLASSICAL AND QUANTUM GRAVITY23
(
8
)
S125
-
S131
4 2006
-
Using gravitational-wave observations to constrain the parameters of bag model
Peer-reviewed
Sotani, H., Kohri, K., Harada, T.
The Tenth Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Gravitation and Relativistic Field Theories2
1352
-
1354
2006
-
Spherically symmetric perfect fluid collapse in area-radial coordinates
Hideo Iguchi, Tomohiro Harada, Filipe C. Mena
AIP Conference Proceedings861
646
-
653
2006
-
Super-horizon primordial black holes: How do they grow?
Tomohiro Harada
THIRD 21COE SYMPOSIUM: ASTROPHYSICS AS INTERDISCIPLINARY SCIENCE31
111
-
114
2006
-
``GROWTH OF PRIMORDIAL BLACK HOLES''
Tomohiro Harada
in ``Gravitation and Astrophysics: On the Occasion of the 90th Year of General Relativity'', the Proceedings of the Seventh Asia-Pacific International Conference on Gravitation and Astrophysics'', Nov 23-26, 2005, Chungli, Taiwan, ed. J. M. Nester, C-M. Chen and J-P. Hsu, pp. 253-259 (World Scientific, Singapore, 2006)
1 2006
-
Nonexistence of self-similar solutions containing a black hole in a universe with a stiff fluid or scalar field or quintessence
Peer-reviewed
Tomohiro Harada, Hideki Maeda, B. J. Carr
Physical Review D - Particles, Fields, Gravitation and Cosmology74
(
2
)
2006
-
``Super-horizon primordial black hole and its evolution''
Tomohiro Harada
Proceedings of the 15th Workshop on General Relativity and Gravitation, Nov 28 - Dec 2, 2005, Tokyo, Japan, ed. T. Shiromizu, H. Yoshino, A. Hosoya, T. Nakamura and M. Sasaki, pp. 88-91, http://www-tap.scphys.kyoto-u.ac.jp/jgrg/proc/JGRG15.pdf.
12 2005
-
Super-horizon primordial black holes
Peer-reviewed
Tomohiro Harada, B. J. Carr
Physical Review D - Particles, Fields, Gravitation and Cosmology72
(
4
)
1
-
12
15 8 2005
-
Super-horizon primordial black holes
Peer-reviewed
T Harada, BJ Carr
PHYSICAL REVIEW D72
(
4
)
8 2005
-
Upper limits on the size of a primordial black hole
Peer-reviewed
T Harada, BJ Carr
PHYSICAL REVIEW D71
(
10
)
5 2005
-
Growth of primordial black holes in a universe containing a massless scalar field
Peer-reviewed
T Harada, BJ Carr
PHYSICAL REVIEW D71
(
10
)
5 2005
-
Novel Cauchy-horizon instability
Peer-reviewed
Hideki Maeda, Takashi Torii, Tomohiro Harada
Physical Review D - Particles, Fields, Gravitation and Cosmology71
(
6
)
1
-
6
15 3 2005
-
Spherically symmetric perfect fluid in area-radial coordinates
Peer-reviewed
H Iguchi, T Harada, FC Mena
CLASSICAL AND QUANTUM GRAVITY22
(
5
)
841
-
853
3 2005
-
Quantum effect and curvature strength of naked singularities
Peer-reviewed
U Miyamoto, H Maeda, T Harada
PROGRESS OF THEORETICAL PHYSICS113
(
3
)
513
-
533
3 2005
-
Novel Cauchy-horizon instability
Peer-reviewed
H Maeda, T Torii, T Harada
PHYSICAL REVIEW D71
(
6
)
3 2005
-
Kink instability and stabilization of the Friedmann universe with scalar fields
Peer-reviewed
H Maeda, T Harada
PHYSICS LETTERS B607
(
1-2
)
8
-
16
2 2005
-
Semi-classical instability of the cauchy horizon in self-similar collapse
Umpei Miyamoto, Tomohiro Harada
Journal of the Korean Physical Society45
S54
-
S58
10 2004
-
Stability criterion for self-similar solutions with a scalar field and those with a stiff fluid in general relativity
Peer-reviewed
Harada, T., Maeda, H.
Classical and Quantum Gravity21
(
2
)
10 2004
-
Gravitational collapse and naked singularities
Peer-reviewed
Tomohiro Harada
Pramana 63(4), 741 (2004), Proceedings of the 5th International Conference on Gravitation and Cosmology, Jan 5-10, 2004, Cochin, India, gr-qc/0407109.
10 2004
-
Semiclassical instability of the Cauchy horizon in self-similar collapse
Peer-reviewed
U Miyamoto, T Harada
PHYSICAL REVIEW D69
(
10
)
5 2004
-
Restricting quark matter models by gravitational wave observation
Peer-reviewed
H Sotani, K Kohri, T Harada
PHYSICAL REVIEW D69
(
8
)
4 2004
-
「重力崩壊と自己相似仮説」
原田知広
日本物理学会誌第59巻第3号175頁（日本物理学会、東京、2004年3月）
3 2004
-
Semiclassical instability of the Cauchy horizon in self-similar collapse
Peer-reviewed
Umpei Miyamoto, Tomohiro Harada
Physical Review D - Particles, Fields, Gravitation and Cosmology69
(
10
)
2004
-
Border of spacetime
Peer-reviewed
Tomohiro Harada, Ken-ichi Nakao
Physical Review D - Particles, Fields, Gravitation and Cosmology70
(
4
)
2004
-
Computing gravitational waves from slightly nonspherical stellar collapse to a black hole: Odd-parity perturbation
Peer-reviewed
T Harada, H Iguchi, M Shibata
PHYSICAL REVIEW D68
(
2
)
7 2003
-
Nonradial oscillations of quark stars
Peer-reviewed
H Sotani, T Harada
PHYSICAL REVIEW D68
(
2
)
7 2003
-
A classification of spherically symmetric kinematic self-similar perfect-fluid solutions. II
Peer-reviewed
H Maeda, T Harada, H Iguchi, N Okuyama
PROGRESS OF THEORETICAL PHYSICS110
(
1
)
25
-
63
7 2003
-
Criticality and convergence in Newtonian collapse
Peer-reviewed
T Harada, H Maeda, B Semelin
PHYSICAL REVIEW D67
(
8
)
4 2003
-
Quadrupole oscillations of quark stars
Sotani Hajime, Harada Tomohiro
Soryushiron Kenkyu Electronics107
(
6
)
F72
2003
-
Computing gravitational waves from slightly nonspherical stellar collapse to a black hole: Odd-parity perturbation
Peer-reviewed
Tomohiro Harada, Hideo Iguchi, Masaru Shibata
Physical Review D68
(
2
)
2003
-
Particle velocity in noncommutative space-time
Peer-reviewed
Takashi Tamaki, Tomohiro Harada, Umpei Miyamoto
Physical Review D - Particles, Fields, Gravitation and Cosmology66
(
10
)
12 11 2002
-
``Self-Similar Solutions, Critical Behavior and Convergence to Attractor in Gravitational Collapse''
Tomohiro Harada
Proceedings of the 12th Workshop on General Relativity and Gravitation, Nov 25-28, 2002, Tokyo, Japan, ed. M. Shibata, Y. Eriguchi, K. Taniguchi, T. Nakamura and K. Tomita, p. 123. gr-qc/0302004.
11 2002
-
Particle velocity in noncommutative space-time
Peer-reviewed
T Tamaki, T Harada, U Miyamoto, T Torii
PHYSICAL REVIEW D66
(
10
)
11 2002
-
A classification of spherically symmetric kinematic self-similar perfect-fluid solutions
Peer-reviewed
H Maeda, T Harada, H Iguchi, N Okuyama
PROGRESS OF THEORETICAL PHYSICS108
(
5
)
819
-
851
11 2002
-
Tolman-Bondi collapse in scalar-tensor theories as a probe of gravitational memory
Peer-reviewed
T Harada, C Goymer, BJ Carr
PHYSICAL REVIEW D66
(
10
)
11 2002
-
No go theorem for kinematic self-similarity with a polytropic equation of state
Peer-reviewed
H Maeda, T Harada, H Iguchi, N Okuyama
PHYSICAL REVIEW D66
(
2
)
7 2002
-
Physical processes in naked singularity formation
Invited
Peer-reviewed
T Harada, H Iguchi, KI Nakano
PROGRESS OF THEORETICAL PHYSICS107
(
3
)
449
-
524
3 2002
-
``Stability of Self-Similar Solutions with Perfect Fluids''
Tomohiro Harada
Proceedings of the 11th Workshop on General Relativity and Gravitation, Jan 9-12, 2002, Tokyo, Japan, ed. J. Koga, K. Maeda, T. Nakamura and K. Tomita, p.73.
1 2002
-
Have we already detected astrophysical symptoms of space-time noncommutativity?
Peer-reviewed
Takashi Tamaki, Tomohiro Harada, Umpei Miyamoto, Takashi Torii
Physical Review D - Particles, Fields, Gravitation and Cosmology65
(
8
)
7
2002
-
Stability criterion for self-similar solutions with perfect fluids in general relativity
Peer-reviewed
Tomohiro Harada
Classical and Quantum Gravity18
(
21
)
4549
-
4567
7 11 2001
-
Physical aspects of a naked singularity explosion: how does a naked singularity explode?
Peer-reviewed
H Iguchi, T Harada
CLASSICAL AND QUANTUM GRAVITY18
(
17
)
3681
-
3699
9 2001
-
Newtonian analysis of gravitational waves due to the formation of a naked singularity
Peer-reviewed
Nakao, K.-I., Iguchi, H., Harada, T.
Physical Review D - Particles, Fields, Gravitation and Cosmology63
(
8
)
084003
12 3 2001
-
``Newtonian analysis of gravitational waves from naked singularity''
Peer-reviewed
Ken-ichi Nakao, Hideo Iguchi, Tomohiro Harada
Phys. Rev. D63(8)
3 2001
-
Convergence to a self-similar solution in general relativistic gravitational collapse
Peer-reviewed
Tomohiro Harada, Hideki Maeda
Physical Review D - Particles, Fields, Gravitation and Cosmology63
(
8
)
14
2001
-
Response of interferometric detectors to scalar gravitational waves
Peer-reviewed
Ken-ichi Nakao, Tomohiro Harada, Masaru Shibata, Seiji Kawamura, Takashi Nakamura
Physical Review D - Particles, Fields, Gravitation and Cosmology63
(
8
)
14
2001
-
Convergence to a self-similar solution in general relativistic gravitational collapse
Peer-reviewed
Tomohiro Harada, Hideki Maeda
Physical Review D63
(
8
)
2001
-
Naked singularities and quantum gravity
Peer-reviewed
Tomohiro Harada, Hideo Iguchi, Ken-Ichi Nakao, T. P. Singh, Takahiro Tanaka, Cenalo Vaz
Physical Review D64
(
4
)
2001
-
Reconstructing the equation of state for cold nuclear matter from the relationship of any two properties of neutron stars
Peer-reviewed
Tomohiro Harada
Physical Review C - Nuclear Physics64
(
4
)
3
2001
-
Critical phenomena in Newtonian gravity
Peer-reviewed
Hideki Maeda, Tomohiro Harada
Physical Review D - Particles, Fields, Gravitation and Cosmology64
(
12
)
7
2001
-
``Gravitational Memory ? - a Perturbative Analysis -''
Tomohiro Harada, B.J. Carr, C.A. Goymer
Proceedings of the 10th Workshop on General Relativity and Gravitation, Sep 11-14, 2000, Osaka, Japan, ed. M. Sasaki et al., p.14. astro-ph/0102058.
9 2000
-
Causal structure of an inflating magnetic monopole
Peer-reviewed
Sakai, N., Nakao, K.-I., Harada, T.
Physical Review D - Particles, Fields, Gravitation and Cosmology61
(
12
)
5 2000
-
Gravitational radiation from a naked singularity. II - Even-parity perturbation
Peer-reviewed
H Iguchi, T Harada, K Nakao
PROGRESS OF THEORETICAL PHYSICS103
(
1
)
53
-
72
1 2000
-
Naked singularity explosion
Peer-reviewed
Tomohiro Harada, Hideo Iguchi
Physical Review D - Particles, Fields, Gravitation and Cosmology61
(
10
)
2000
-
Power, energy, and spectrum of a naked singularity explosion
Peer-reviewed
Tomohiro Harada
Physical Review D - Particles, Fields, Gravitation and Cosmology62
(
8
)
17
2000
-
Birth of a timelike naked singularity
Peer-reviewed
Hideaki Kudoh
Physical Review D - Particles, Fields, Gravitation and Cosmology62
(
10
)
10
2000
-
``Naked Singularity Explosion''
Tomohiro Harada, Hideo Iguchi, Ken-ichi Nakao
Proceedings of the 9th Workshop on General Relativity and Gravitation, Nov 3-6, 1999, Hiroshima, Japan, ed. Y. Eriguchi et al., p.425.
11 1999
-
Nakedness and curvature strength of a shell-focusing singularity in spherically symmetric spacetime with vanishing radial pressure
Peer-reviewed
T Harada, K Nakao, H Iguchi
CLASSICAL AND QUANTUM GRAVITY16
(
8
)
2785
-
2796
8 1999
-
Gravitational radiation from a naked singularity - Odd-parity perturbation
Peer-reviewed
H Iguchi, T Harada, K Nakao
PROGRESS OF THEORETICAL PHYSICS101
(
6
)
1235
-
1252
6 1999
-
Final Fate of Generic Gravitational Collapse - Is Shell- Focusing Naked Singularity Realized? -
Tomohiro Harada
23 3 1999
-
Distance-redshift relation in an isotropic inhomogeneous universe: Spherically symmetric dust-shell universe. II
Peer-reviewed
Norimasa Sugiura, Ken-ichi Nakao, Tomohiro Harada
Physical Review D - Particles, Fields, Gravitation and Cosmology60
(
10
)
1999
-
``Spherical collapse of counterrotating particles and cosmic censorship''
Tomohiro Harada, Hideo Iguchi, Ken-ichi Nakao
Proceedings of the 8th Workshop on General Relativity and Gravitation, Oct 19-22, 1998, Niigata, Japan, ed. Y. Eriguchi et al., p.377.
10 1998
-
Naked singularity formation in the collapse of a spherical cloud of counterrotating particles
Peer-reviewed
Harada, T., Iguchi, H., Nakao, K.-I.
Physical Review D - Particles, Fields, Gravitation and Cosmology58
(
4
)
7 1998
-
Neutron stars in scalar-tensor theories of gravity and catastrophe theory
Peer-reviewed
Tomohiro Harada
Physical Review D - Particles, Fields, Gravitation and Cosmology57
(
8
)
4802
-
4811
1998
-
Gravitational waves around a naked singularity: Odd-parity perturbation of Lemaître-Tolman-Bondi space-time
Peer-reviewed
Hideo Iguchi, Ken-ichi Nakao, Tomohiro Harada
Physical Review D - Particles, Fields, Gravitation and Cosmology57
(
12
)
7262
-
7273
1998
-
Final fate of the spherically symmetric collapse of a perfect fluid
Peer-reviewed
Tomohiro Harada
Physical Review D - Particles, Fields, Gravitation and Cosmology58
(
10
)
1998
-
Distance-redshift relation in an isotropic inhomogeneous universe: Spherically symmetric dust-shell universe
Peer-reviewed
Norimasa Sugiura, Ken-ichi Nakao, Tomohiro Harada
Physical Review D - Particles, Fields, Gravitation and Cosmology58
(
10
)
1998
-
``Neutron Stars in Scalar-Tensor Theories of Gravity and Catastrophe Theory''
Tomohiro Harada
Proceedings of the 7th Workshop on General Relativity and Gravitation, Oct 27-30, 1997, Kyoto, Japan, ed. Y. Eriguchi et al., p.90.
10 1997
-
Stability analysis of spherically symmetric star in scalar-tensor theories of gravity
Peer-reviewed
T Harada
PROGRESS OF THEORETICAL PHYSICS98
(
2
)
359
-
379
8 1997
-
Scalar gravitational wave from Oppenheimer-Snyder collapse in scalar-tensor theories of gravity
Peer-reviewed
T Harada, T Chiba, K Nakao, T Nakamura
PHYSICAL REVIEW D55
(
4
)
2024
-
2037
2 1997
-
Gravitational physics in scalar-tensor theories - Tests of strong field gravity
Peer-reviewed
T Chiba, T Harada, K Nakao
PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT
(
128
)
335
-
372
1997
-
``Scalar Gravitational Wave from Oppenheimer-Snyder Collapse in Scalar-Tensor Theories of Gravity -An Effective Mass of Scalar Field -''
Tomohiro Harada, Takeshi Chiba, Ken-ichi Nakao, Takashi Nakamura
Proceedings of the 6th Workshop on General Relativity and Gravitation, Dec 2-5, 1996, Tokyo, Japan, ed. H. Ishihara et al., p.196.
12 1996
-
Scalar gravitational waves from sphercally symmetric collapse of dust
3 1996
