Hirotada Okawa
AuthID: R-002-V9S
21
TITLE: On the Neutrino Distributions in Phase Space for the Rotating Core-collapse Supernova Simulated with a Boltzmann-neutrino-radiation-hydrodynamics Code
AUTHORS: Akira Harada; Hiroki Nagakura; Wakana Iwakami; Hirotada Okawa; Shun Furusawa; Hideo Matsufuru; Kohsuke Sumiyoshi; Shoichi Yamada;
PUBLISHED: 2019, SOURCE: Astrophysical Journal, VOLUME: 872, ISSUE: 2
AUTHORS: Akira Harada; Hiroki Nagakura; Wakana Iwakami; Hirotada Okawa; Shun Furusawa; Hideo Matsufuru; Kohsuke Sumiyoshi; Shoichi Yamada;
PUBLISHED: 2019, SOURCE: Astrophysical Journal, VOLUME: 872, ISSUE: 2
22
TITLE: Effects of Rotation and Magnetic Field on the Revival of a Stalled Shock in Supernova Explosions
AUTHORS: Kotaro Fujisawa; Hirotada Okawa; Yu Yamamoto; Shoichi Yamada;
PUBLISHED: 2019, SOURCE: Astrophysical Journal, VOLUME: 872, ISSUE: 2
AUTHORS: Kotaro Fujisawa; Hirotada Okawa; Yu Yamamoto; Shoichi Yamada;
PUBLISHED: 2019, SOURCE: Astrophysical Journal, VOLUME: 872, ISSUE: 2
23
TITLE: Maximal efficiency of the collisional Penrose process with spinning particles
AUTHORS: Kei Ichi Maeda; Kazumasa Okabayashi; Hirotada Okawa;
PUBLISHED: 2018, SOURCE: Physical Review D, VOLUME: 98, ISSUE: 6
AUTHORS: Kei Ichi Maeda; Kazumasa Okabayashi; Hirotada Okawa;
PUBLISHED: 2018, SOURCE: Physical Review D, VOLUME: 98, ISSUE: 6
24
TITLE: Simulations of Core-collapse Supernovae in Spatial Axisymmetry with Full Boltzmann Neutrino Transport
AUTHORS: Hiroki Nagakura; Wakana Iwakami; Shun Furusawa; Hirotada Okawa; Akira Harada; Kohsuke Sumiyoshi; Shoichi Yamada; Hideo Matsufuru; Akira Imakura;
PUBLISHED: 2018, SOURCE: Astrophysical Journal, VOLUME: 854, ISSUE: 2
AUTHORS: Hiroki Nagakura; Wakana Iwakami; Shun Furusawa; Hirotada Okawa; Akira Harada; Kohsuke Sumiyoshi; Shoichi Yamada; Hideo Matsufuru; Akira Imakura;
PUBLISHED: 2018, SOURCE: Astrophysical Journal, VOLUME: 854, ISSUE: 2
25
TITLE: Massive graviton geons
AUTHORS: Katsuki Aoki; Kei Ichi Maeda; Yosuke Misonoh; Hirotada Okawa;
PUBLISHED: 2018, SOURCE: Physical Review D, VOLUME: 97, ISSUE: 4
AUTHORS: Katsuki Aoki; Kei Ichi Maeda; Yosuke Misonoh; Hirotada Okawa;
PUBLISHED: 2018, SOURCE: Physical Review D, VOLUME: 97, ISSUE: 4
26
TITLE: The effect of Kozai-lidov mechanism on the period shift of the binary neutron stars by gravitational waves
AUTHORS: Haruka Suzuki; Priti Gupta; Hirotada Okawa; Kei Ichi Maeda;
PUBLISHED: 2018, SOURCE: Proceedings of the 28th Workshop on General Relativity and Gravitation in Japan, JGRG 2018, VOLUME: 1
AUTHORS: Haruka Suzuki; Priti Gupta; Hirotada Okawa; Kei Ichi Maeda;
PUBLISHED: 2018, SOURCE: Proceedings of the 28th Workshop on General Relativity and Gravitation in Japan, JGRG 2018, VOLUME: 1
INDEXED IN: Scopus
IN MY: ORCID
27
TITLE: Collisional Penrose process of spining particles
AUTHORS: Kazumasa Okabayashi; Kei Ichi Maeda; Hirotada Okawa;
PUBLISHED: 2018, SOURCE: Proceedings of the 28th Workshop on General Relativity and Gravitation in Japan, JGRG 2018, VOLUME: 2
AUTHORS: Kazumasa Okabayashi; Kei Ichi Maeda; Hirotada Okawa;
PUBLISHED: 2018, SOURCE: Proceedings of the 28th Workshop on General Relativity and Gravitation in Japan, JGRG 2018, VOLUME: 2
INDEXED IN: Scopus
IN MY: ORCID
28
TITLE: Non-linear collisional Penrose process: How much energy can a black hole release?
AUTHORS: Ken Ichi Nakao; Hirotada Okawa; Kei Ichi Maeda;
PUBLISHED: 2018, SOURCE: Progress of Theoretical and Experimental Physics, VOLUME: 2018, ISSUE: 1
AUTHORS: Ken Ichi Nakao; Hirotada Okawa; Kei Ichi Maeda;
PUBLISHED: 2018, SOURCE: Progress of Theoretical and Experimental Physics, VOLUME: 2018, ISSUE: 1
29
TITLE: 3D simulation of spindle gravitational collapse of a collisionless particle system
AUTHORS: Chul Moon Yoo; Tomohiro Harada; Hirotada Okawa;
PUBLISHED: 2017, SOURCE: Classical and Quantum Gravity, VOLUME: 34, ISSUE: 10
AUTHORS: Chul Moon Yoo; Tomohiro Harada; Hirotada Okawa;
PUBLISHED: 2017, SOURCE: Classical and Quantum Gravity, VOLUME: 34, ISSUE: 10
30
TITLE: Interaction between bosonic dark matter and stars
AUTHORS: Richard Brito; Vitor Cardoso ; Caio F B Macedo; Hirotada Okawa; Carlos Palenzuela;
PUBLISHED: 2016, SOURCE: PHYSICAL REVIEW D, VOLUME: 93, ISSUE: 4
AUTHORS: Richard Brito; Vitor Cardoso ; Caio F B Macedo; Hirotada Okawa; Carlos Palenzuela;
PUBLISHED: 2016, SOURCE: PHYSICAL REVIEW D, VOLUME: 93, ISSUE: 4