Search Results - "Fujibayashi, Sho"

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  1. 1

    Mass Ejection from the Remnant of a Binary Neutron Star Merger: Viscous-radiation Hydrodynamics Study by Fujibayashi, Sho, Kiuchi, Kenta, Nishimura, Nobuya, Sekiguchi, Yuichiro, Shibata, Masaru

    Published in The Astrophysical journal (10-06-2018)
    “…We perform long-term general relativistic neutrino radiation hydrodynamics simulations (in axisymmetry) for a massive neutron star (MNS) surrounded by a torus,…”
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    Journal Article
  2. 2

    Properties of Neutrino-driven Ejecta from the Remnant of a Binary Neutron Star Merger: Pure Radiation Hydrodynamics Case by Fujibayashi, Sho, Sekiguchi, Yuichiro, Kiuchi, Kenta, Shibata, Masaru

    Published in The Astrophysical journal (10-09-2017)
    “…We performed general relativistic, long-term, axisymmetric neutrino radiation hydrodynamics simulations for the remnant formed after a binary neutron star…”
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  3. 3

    Postmerger Mass Ejection of Low-mass Binary Neutron Stars by Fujibayashi, Sho, Wanajo, Shinya, Kiuchi, Kenta, Kyutoku, Koutarou, Sekiguchi, Yuichiro, Shibata, Masaru

    Published in The Astrophysical journal (01-10-2020)
    “…Abstract We study the postmerger mass ejection of low-mass binary neutron stars (NSs) with the system mass of 2.5 M ⊙ and subsequent nucleosynthesis by…”
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  4. 4

    Ultra-delayed Neutrino-driven Explosion of Rotating Massive-star Collapse by Fujibayashi, Sho, Takahashi, Koh, Sekiguchi, Yuichiro, Shibata, Masaru

    Published in The Astrophysical journal (01-10-2021)
    “…Abstract Long-term neutrino-radiation hydrodynamics simulations in full general relativity are performed for the collapse of rotating massive stars that are…”
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  5. 5

    Electromagnetic Counterparts of Binary-neutron-star Mergers Leading to a Strongly Magnetized Long-lived Remnant Neutron Star by Kawaguchi, Kyohei, Fujibayashi, Sho, Hotokezaka, Kenta, Shibata, Masaru, Wanajo, Shinya

    Published in The Astrophysical journal (01-07-2022)
    “…Abstract We explore the electromagnetic counterparts that will associate with binary-neutron-star mergers for the case that remnant massive neutron stars…”
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  6. 6

    Comprehensive Study of Mass Ejection and Nucleosynthesis in Binary Neutron Star Mergers Leaving Short-lived Massive Neutron Stars by Fujibayashi, Sho, Kiuchi, Kenta, Wanajo, Shinya, Kyutoku, Koutarou, Sekiguchi, Yuichiro, Shibata, Masaru

    Published in The Astrophysical journal (01-01-2023)
    “…Abstract By performing general relativistic hydrodynamics simulations with an approximate neutrino radiation transfer, the properties of ejecta in the…”
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  7. 7

    Properties of Neutrino Transfer in a Deformed Remnant of a Neutron Star Merger by Sumiyoshi, Kohsuke, Fujibayashi, Sho, Sekiguchi, Yuichiro, Shibata, Masaru

    Published in The Astrophysical journal (01-02-2021)
    “…We study properties of neutrino transfer in a remnant of a neutron star merger, consisting of a massive neutron star and a surrounding torus. We perform…”
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  8. 8

    Collapse of Rotating Massive Stars Leading to Black Hole Formation and Energetic Supernovae by Fujibayashi, Sho, Sekiguchi, Yuichiro, Shibata, Masaru, Wanajo, Shinya

    Published in The Astrophysical journal (01-10-2023)
    “…Abstract We explore a possible explosion scenario resulting from core collapses of rotating massive stars that leave a black hole by performing…”
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  9. 9

    ALPHA-CONSTRAINED QSE NUCLEOSYNTHESIS IN HIGH-ENTROPY AND FAST-EXPANDING MATERIAL by Fujibayashi, Sho, Takashi Yoshida, Yuichiro Sekiguchi

    Published in The Astrophysical journal (10-02-2016)
    “…ABSTRACT We investigate the nucleosynthesis process in high-entropy ( ) and very fast expanding ( ) materials. In such a material with the electron fraction…”
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  10. 10

    A Low-mass Binary Neutron Star: Long-term Ejecta Evolution and Kilonovae with Weak Blue Emission by Kawaguchi, Kyohei, Fujibayashi, Sho, Shibata, Masaru, Tanaka, Masaomi, Wanajo, Shinya

    Published in The Astrophysical journal (01-06-2021)
    “…Abstract We study the long-term evolution of ejecta formed in a binary neutron star (NS) merger that results in a long-lived remnant NS by performing a…”
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  11. 11

    NUCLEOSYNTHESIS IN NEUTRINO-DRIVEN WINDS IN HYPERNOVAE by Fujibayashi, Sho, Yoshida, Takashi, Sekiguchi, Yuichiro

    Published in The Astrophysical journal (10-09-2015)
    “…ABSTRACT We investigate the nucleosynthesis in the neutrino-driven winds blown off from a massive proto-neutron star (mPNS) temporarily formed during the…”
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  12. 12

    Kilonovae of binary neutron star mergers leading to short-lived remnant neutron star formation by Kawaguchi, Kyohei, Fujibayashi, Sho, Domoto, Nanae, Kiuchi, Kenta, Shibata, Masaru, Wanajo, Shinya

    “…ABSTRACT We study kilonova emission from binary neutron star (BNS) mergers for the case that a remnant massive neutron star (MNS) forms and collapses to a…”
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  13. 13

    Variety of disc wind-driven explosions in massive rotating stars by Crosato Menegazzi, Ludovica, Fujibayashi, Sho, Takahashi, Koh, Ishii, Ayako

    “…ABSTRACT We perform a set of two-dimensional, non-relativistic, hydrodynamics simulations for supernova-like explosions associated with stellar core collapse…”
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  14. 14
  15. 15

    Long-term Monte Carlo based neutrino-radiation viscous-hydrodynamics simulations for a merger remnant black hole-torus system by Kawaguchi, Kyohei, Fujibayashi, Sho, Shibata, Masaru

    Published 03-10-2024
    “…We present our new general relativistic Monte Carlo (MC)-based neutrino radiation hydrodynamics code designed to solve axisymmetric systems with several…”
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  16. 16

    Threshold mass of the general relativistic instability for supermassive star cores by Shibata, Masaru, Fujibayashi, Sho, Jockel, Cédric, Kawaguchi, Kyohei

    Published 21-08-2024
    “…The dependence of the final fate of supermassive star (SMS) cores on their mass and angular momentum is studied with simple modeling. SMS cores in the hydrogen…”
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  17. 17

    Powerful explosions from the collapse of rotating supermassive stars by Fujibayashi, Sho, Jockel, Cédric, Kawaguchi, Kyohei, Sekiguchi, Yuichiro, Shibata, Masaru

    Published 21-08-2024
    “…We perform new general relativistic hydrodynamics simulations for collapses of rotating supermassive star cores with an approximate nuclear burning up to…”
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  18. 18

    A Monte-Carlo based relativistic radiation hydrodynamics code with a higher-order scheme by Kawaguchi, Kyohei, Fujibayashi, Sho, Shibata, Masaru

    Published 26-09-2022
    “…We develop a new relativistic radiation hydrodynamics code based on the Monte-Carlo algorithm. In this code, we implement a new scheme to achieve the…”
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  19. 19

    Supernova-like explosion of massive rotating stars from disks surrounding a black hole by Fujibayashi, Sho, Lam, Alan Tsz-Lok, Shibata, Masaru, Sekiguchi, Yuichiro

    Published 05-09-2023
    “…We perform a new general-relativistic viscous-radiation hydrodynamics simulation for supernova-like explosion associated with stellar core collapse of rotating…”
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  20. 20

    Long-term evolution of neutron-star merger remnants in general relativistic resistive-magnetohydrodynamics with a mean-field dynamo term by Shibata, Masaru, Fujibayashi, Sho, Sekiguchi, Yuichiro

    Published 17-09-2021
    “…Phys. Rev. D 104, 2021, 063026 Long-term neutrino-radiation resistive-magnetohydrodynamics simulations in full general relativity are performed for a system…”
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