Search Results - "Takiwaki, Tomoya"

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  1. 1

    Anisotropic emission of neutrino and gravitational-wave signals from rapidly rotating core-collapse supernovae by Takiwaki, Tomoya, Kotake, Kei

    “…Abstract We present analysis on neutrino and GW signals based on three-dimensional (3D) core-collapse supernova simulations of a rapidly rotating 27 M⊙ star…”
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  2. 2

    Magnetorotational Explosion of a Massive Star Supported by Neutrino Heating in General Relativistic Three-dimensional Simulations by Kuroda, Takami, Arcones, Almudena, Takiwaki, Tomoya, Kotake, Kei

    Published in The Astrophysical journal (01-06-2020)
    “…We present results of three-dimensional (3D), radiation-magnetohydrodynamics (MHD) simulations of core-collapse supernovae in full general relativity (GR) with…”
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  3. 3

    Avoided crossing in gravitational wave spectra from protoneutron star by Sotani, Hajime, Takiwaki, Tomoya

    “…ABSTRACT The ramp up signals of gravitational waves appearing in the numerical simulations could be important signals to estimate parameters of the…”
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  4. 4

    Core-collapse Supernova Simulations and the Formation of Neutron Stars, Hybrid Stars, and Black Holes by Kuroda, Takami, Fischer, Tobias, Takiwaki, Tomoya, Kotake, Kei

    Published in The Astrophysical journal (01-01-2022)
    “…Abstract We investigate observable signatures of a first-order quantum chromodynamics (QCD) phase transition in the context of core-collapse supernovae. To…”
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  5. 5

    Three-dimensional simulation of a core-collapse supernova for a binary star progenitor of SN 1987A by Nakamura, Ko, Takiwaki, Tomoya, Kotake, Kei

    “…ABSTRACT We present results from a self-consistent, non-rotating core-collapse supernova simulation in three spatial dimensions using a binary evolution…”
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  6. 6

    Three-dimensional simulations of rapidly rotating core-collapse supernovae: finding a neutrino-powered explosion aided by non-axisymmetric flows by Takiwaki, Tomoya, Kotake, Kei, Suwa, Yudai

    “…We report results from a series of three-dimensional (3D) rotational core-collapse simulations for 11.2 and 27  M⊙ stars employing neutrino transport scheme by…”
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  7. 7

    Correlated Signatures of Gravitational-wave and Neutrino Emission in Three-dimensional General-relativistic Core-collapse Supernova Simulations by Kuroda, Takami, Kotake, Kei, Hayama, Kazuhiro, Takiwaki, Tomoya

    Published in The Astrophysical journal (10-12-2017)
    “…We present results from general-relativistic (GR) three-dimensional (3D) core-collapse simulations with approximate neutrino transport for three nonrotating…”
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  8. 8

    A COMPARISON OF TWO- AND THREE-DIMENSIONAL NEUTRINO-HYDRODYNAMICS SIMULATIONS OF CORE-COLLAPSE SUPERNOVAE by Takiwaki, Tomoya, Kotake, Kei, Suwa, Yudai

    Published in The Astrophysical journal (10-05-2014)
    “…We present numerical results on two- (2D) and three-dimensional (3D) hydrodynamic core-collapse simulations of an 11.2 M sub([middot in circle]) star. By…”
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  9. 9

    Characteristic time variability of gravitational-wave and neutrino signals from three-dimensional simulations of non-rotating and rapidly rotating stellar core collapse by Shibagaki, Shota, Kuroda, Takami, Kotake, Kei, Takiwaki, Tomoya

    “…ABSTRACT We present results from full general relativistic 3D hydrodynamics simulations of stellar core collapse of a 70 M⊙ star with spectral neutrino…”
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  10. 10

    Systematic features of axisymmetric neutrino-driven core-collapse supernova models in multiple progenitors by Nakamura, Ko, Takiwaki, Tomoya, Kuroda, Takami, Kotake, Kei

    “…We present an overview of two-dimensional (2D) core-collapse supernova simulations employing a neutrino transport scheme by the isotropic diffusion source…”
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  11. 11

    One-, Two-, and Three-dimensional Simulations of Oxygen-shell Burning Just before the Core Collapse of Massive Stars by Yoshida, Takashi, Takiwaki, Tomoya, Kotake, Kei, Takahashi, Koh, Nakamura, Ko, Umeda, Hideyuki

    Published in The Astrophysical journal (10-08-2019)
    “…We perform two- (2D) and three-dimensional (3D) hydrodynamics simulations of convective oxygen-shell burning that takes place deep inside a massive progenitor…”
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  12. 12

    Convection and Dynamo in Newly Born Neutron Stars by Masada, Youhei, Takiwaki, Tomoya, Kotake, Kei

    Published in The Astrophysical journal (01-01-2022)
    “…Abstract To study properties of magnetohydrodynamic (MHD) convection and resultant dynamo activities in proto-neutron stars (PNSs), we construct a “PNS in a…”
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  13. 13

    Long-term simulations of multi-dimensional core-collapse supernovae: Implications for neutron star kicks by Nakamura, Ko, Takiwaki, Tomoya, Kotake, Kei

    “…Abstract Core-collapse supernovae (CCSNe) are the final stage of massive stars, marking the birth of neutron stars (NSs). The aspherical mass ejection drives a…”
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  14. 14

    Monotonicity of the Cores of Massive Stars by Takahashi, Koh, Takiwaki, Tomoya, Yoshida, Takashi

    Published in The Astrophysical journal (01-03-2023)
    “…Abstract Massive stars are linked to diverse astronomical processes and objects including star formation, supernovae and their remnants, cosmic rays,…”
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  15. 15

    A full general relativistic neutrino radiation-hydrodynamics simulation of a collapsing very massive star and the formation of a black hole by Kuroda, Takami, Kotake, Kei, Takiwaki, Tomoya, Thielemann, Friedrich-Karl

    “…Abstract We study the final fate of a very massive star by performing full general relativistic (GR), three-dimensional (3D) simulation with three-flavour…”
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  16. 16

    Impact of Neutrino Opacities on Core-collapse Supernova Simulations by Kotake, Kei, Takiwaki, Tomoya, Fischer, Tobias, Nakamura, Ko, Martínez-Pinedo, Gabriel

    Published in The Astrophysical journal (01-02-2018)
    “…The accurate description of neutrino opacities is central to both the core-collapse supernova (CCSN) phenomenon and the validity of the explosion mechanism…”
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  17. 17

    A Systematic Study on the Rise Time-Peak Luminosity Relation for Bright Optical Transients Powered by Wind Shock Breakout by Suzuki, Akihiro, Moriya, Takashi J., Takiwaki, Tomoya

    Published in The Astrophysical journal (01-08-2020)
    “…A number of astrophysical transients originating from stellar explosions are powered by the collision of the ejected material with the circumstellar medium,…”
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    Extremely Energetic Supernova Explosions Embedded in a Massive Circumstellar Medium: The Case of SN 2016aps by Suzuki, Akihiro, Nicholl, Matt, Moriya, Takashi J., Takiwaki, Tomoya

    Published in The Astrophysical journal (01-02-2021)
    “…We perform one-dimensional radiation-hydrodynamic simulations of energetic supernova (SN) ejecta colliding with a massive circumstellar medium (CSM) aimed at…”
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  20. 20

    IMPACTS OF ROTATION ON THREE-DIMENSIONAL HYDRODYNAMICS OF CORE-COLLAPSE SUPERNOVAE by Nakamura, Ko, Kuroda, Takami, Takiwaki, Tomoya, Kotake, Kei

    Published in The Astrophysical journal (20-09-2014)
    “…We perform a series of simplified numerical experiments to explore how rotation impacts the three-dimensional (3D) hydrodynamics of core-collapse supernovae…”
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