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J-GLOBAL ID:201801016325845998   Update date: Aug. 19, 2024

Kyutoku Koutarou

キュウトク コウタロウ | Kyutoku Koutarou
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Affiliation and department:
Job title: Professor
Research field  (3): Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics ,  Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics ,  Astronomy
Research keywords  (8): astrophysics ,  high-energy astrophysics ,  gravitational waves ,  gravity ,  general relativity ,  black hole ,  neutron star ,  numerical relativity
Research theme for competitive and other funds  (12):
  • 2022 - 2025 Developing numerical-relativity codes for high-precision computations of gravitational waves toward third-generation gravitational-wave detectors
  • 2020 - 2024 Computing electromagnetic and gravitational-wave signals from neutron star mergers
  • 2018 - 2023 クォークから中性子星へ:QCDの挑戦
  • 2019 - 2022 Study of black hole-neutron star binary mergers in the era of multi-messenger astronomy
  • 2017 - 2021 21cm線観測を用いた新しい宇宙物理学
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Papers (81):
  • Kenta Kiuchi, Sho Fujibayashi, Kota Hayashi, Koutarou Kyutoku, Yuichiro Sekiguchi, Masaru Shibata. Self-Consistent Picture of the Mass Ejection from a One Second Long Binary Neutron Star Merger Leaving a Short-Lived Remnant in a General-Relativistic Neutrino-Radiation Magnetohydrodynamic Simulation. Physical Review Letters. 2023. 131. 1. 011401
  • Kota Hayashi, Kenta Kiuchi, Koutarou Kyutoku, Yuichiro Sekiguchi, Masaru Shibata. General-relativistic neutrino-radiation magnetohydrodynamics simulation of seconds-long black hole-neutron star mergers: Dependence on the initial magnetic field strength, configuration, and neutron-star equation of state. Physical Review D. 2023. 107. 12. 123001
  • Yuki Fujimoto, Kenji Fukushima, Kenta Hotokezaka, Koutarou Kyutoku. Gravitational Wave Signal for Quark Matter with Realistic Phase Transition. Physical Review Letters. 2023. 130. 9. 091404
  • Koutarou Kyutoku, Hayato Motohashi, Takahiro Tanaka. Quasinormal modes of Schwarzschild black holes on the real axis. Physical Review D. 2023. 107. 4. 044012
  • Sho Fujibayashi, Kenta Kiuchi, Shinya Wanajo, Koutarou Kyutoku, Yuichiro Sekiguchi, Masaru Shibata. Comprehensive Study of Mass Ejection and Nucleosynthesis in Binary Neutron Star Mergers Leaving Short-lived Massive Neutron Stars. The Astrophysical Journal. 2023. 942. 1. 39-39
more...
MISC (3):
  • Kyohei Kawaguchi, Koutarou Kyutoku, Hiroyuki Nakano, Masaru Shibata. Extracting the cutoff frequency in the gravitational-wave spectrum of black hole-neutron star mergers. 2017
  • K. Kyutoku, B.D. Lackey, M. Shibata, P.R. Brady, J.L. Friedman. Extracting equations of state parameters from black hole-neutron star mergers. Proceedings of the 21st Workshop on General Relativity and Gravitation in Japan, JGRG 2011. 2011. 228-231
  • K. Kyutoku, M. Shibata, T. Yamamoto, K. Taniguchi. Black hole-neutron star binaries in numerical relativity. Proceedings of the 19th Workshop on General Relativity and Gravitation in Japan, JGRG 2009. 2009. 205-208
Books (2):
  • 重力波の源 (Yukawaライブラリー 1)
    朝倉書店 2018 ISBN:4254138016
  • The black hole-neutron star binary merger in full general relativity
    Springer 2013 ISBN:4431542000
Education (4):
  • 2009 - 2012 Kyoto University Graduate School of Science Division of physics and astronomy
  • 2007 - 2009 The University of Tokyo Graduate School of Science Department of Physics
  • 2005 - 2007 The University of Tokyo Faculty of Science Department of Physics
  • 2003 - 2005 The University of Tokyo Collage of Arts and Sciences Natural Sciences I
Professional career (1):
  • D. Sci (Kyoto University)
Work history (7):
  • 2024/04 - 現在 Chiba University Department of Physics, Graduate School of Science Professor
  • 2019/05 - 2024/03 Kyoto University Graduate School of Science Division of Physics and Astronomy Associate Professor
  • 2017/01 - 2019/04 High Energy Accelerator Research Organization Institute of Particle and Nuclear Studies, Theory Center Assistant Professor
  • 2015/04 - 2016/12 RIKEN iTHES Special Postdoctoral Researcher
  • 2015/02 - 2015/03 RIKEN iTHES Research Assistant
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Awards (3):
  • 2024/04 - 文部科学省 科学技術分野の文部科学大臣表彰 若手科学者賞 マルチメッセンジャー天体物理の理論的研究
  • 2024/03 - American Physical Society APS Outstanding Referee
  • The Physical Society of Japan Young Scientist Award of the Physical Society of Japan, 2020 Theoretical studies on multi-messenger astrophysics
Association Membership(s) (2):
Rironkon ,  The Physical Society of Japan
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