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Related papers: A Neutrino-Driven Core Collapse Supernova Explosio…

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We perform some experimental simulations in spherical symmetry and axisymmetry to understand the post-shock-revival evolution of core-collapse supernovae. Assuming that the stalled shock wave is relaunched by neutrino heating and employing…

High Energy Astrophysical Phenomena · Physics 2015-06-11 Yu Yamamoto , Shin-ichiro Fujimoto , Hiroki Nagakura , Shoichi Yamada

The neutrino mechanism of core-collapse supernova is investigated via non-relativistic, two-dimensional (2D), neutrino radiation-hydrodynamic simulations. For the transport of electron flavor neutrinos, we use the interaction rates defined…

High Energy Astrophysical Phenomena · Physics 2016-01-27 Kuo-Chuan Pan , Matthias Liebendörfer , Matthias Hempel , Friedrich-Karl Thielemann

We present an overview of four ab initio axisymmetric core-collapse supernova simulations employing detailed spectral neutrino transport computed with our CHIMERA code and initiated from Woosley & Heger (2007) progenitors of mass 12, 15,…

We perform three-dimensional simulations of magnetorotational supernovae using a $39\,M_{\odot}$ progenitor star with two different initial magnetic field strengths of $10^{10}$ G and $10^{12}$ G in the core. Both models rapidly undergo…

High Energy Astrophysical Phenomena · Physics 2023-05-10 Jade Powell , Bernhard Mueller , David R. Aguilera-Dena , Norbert Langer

We present four ab initio axisymmetric core-collapse supernova simulations for 12, 15, 20, and 25 $M_\odot$ progenitors. All of the simulations yield explosions and have been evolved for at least 1.2 seconds after core bounce and 1 second…

We study the evolution of the collapsing core of a 15 Msun blue supergiant supernova progenitor from the core bounce until 1.5 seconds later. We present a sample of hydrodynamic models parameterized to match the explosion energetics of SN…

Solar and Stellar Astrophysics · Physics 2016-11-18 Timothy Handy , Tomasz Plewa , Andrzej Odrzywolek

We present the first self-consistent, three-dimensional (3D) core-collapse supernova simulations performed with the Prometheus-Vertex code for a rotating progenitor star. Besides using the angular momentum of the 15 solar-mass model as…

High Energy Astrophysical Phenomena · Physics 2018-01-10 A. Summa , H. -Th. Janka , T. Melson , A. Marek

Supernova models with a full spectral treatment of the neutrino transport are presented, employing the Prometheus/Vertex neutrino-hydrodynamics code with a ``ray-by-ray plus'' approximation for treating two- (or three-) dimensional…

Astrophysics · Physics 2008-11-26 R. Buras , M. Rampp , H. -Th. Janka , K. Kifonidis

Multidimensional hydrodynamic simulations of shell convection in massive stars suggest the development of aspherical perturbations that may be amplified during iron core-collapse. These perturbations have a crucial and qualitative impact on…

Solar and Stellar Astrophysics · Physics 2020-09-22 C. E. Fields , S. M. Couch

We present a first study of the progenitor star dependence of the three-dimensional (3D) neutrino mechanism of core-collapse supernovae. We employ full 3D general-relativistic multi-group neutrino radiation-hydrodynamics and simulate the…

High Energy Astrophysical Phenomena · Physics 2019-02-13 C. D. Ott , L. F. Roberts , A. da Silva Schneider , J. M. Fedrow , R. Haas , E. Schnetter

Self-consistent, multidimensional core-collapse supernova (SN) simulations, especially in 3D, have achieved tremendous progress over the past 10 years. They are now able to follow the entire evolution from core collapse through bounce,…

High Energy Astrophysical Phenomena · Physics 2026-02-13 H. -Thomas Janka

We report on a set of long-term general-relativistic three-dimensional (3D) multi-group (energy-dependent) neutrino-radiation hydrodynamics simulations of core-collapse supernovae. We employ a full 3D two-moment scheme with the local M1…

High Energy Astrophysical Phenomena · Physics 2017-04-10 Luke F. Roberts , Christian D. Ott , Roland Haas , Evan P. O'Connor , Peter Diener , Erik Schnetter

We study the three-dimensional (3D) hydrodynamics of the post-core-bounce phase of the collapse of a 27-solar-mass star and pay special attention to the development of the standing accretion shock instability (SASI) and neutrino-driven…

High Energy Astrophysical Phenomena · Physics 2013-09-23 C. D. Ott , E. Abdikamalov , P. Moesta , R. Haas , S. Drasco , E. O'Connor , C. Reisswig , C. Meakin , E. Schnetter

The results of a 3-dimensional SNSPH simulation of the core collapse of a 23 solar mass star are presented. This simulation did not launch an explosion until over 600ms after collapse, allowing an ideal opportunity to study the evolution…

Astrophysics · Physics 2011-02-11 C. L. Fryer , P. A. Young

We present results from the first generation of multi-dimensional hydrodynamic core-collapse simulations in full general relativity (GR) that include an approximate treatment of neutrino transport. Using a M1 closure scheme with an analytic…

High Energy Astrophysical Phenomena · Physics 2015-06-04 Takami Kuroda , Kei Kotake , Tomoya Takiwaki

We show three-dimensional magnetohydrodynamical simulations of core collapse supernova in which the progenitor has magnetic fields inclined to the rotation axis. The simulations employed a simple empirical equation of state in which the…

Astrophysics · Physics 2009-11-13 Hayato Mikami , Yuji Sato , Tomoaki Matsumoto , Tomoyuki Hanawa

We present results of high-resolution two-dimensional simulations which follow the first five minutes of a core collapse supernova explosion in a 15 solar mass blue supergiant progenitor. The computations start shortly after core bounce and…

Astrophysics · Physics 2007-05-23 K. Kifonidis , T. Plewa , H. -Th. Janka , E. Mueller

We present an overview of two-dimensional (2D) core-collapse supernova simulations employing neutrino transport scheme by the isotropic diffusion source approximation. We study 101 solar-metallicity, 247 ultra metal-poor, and 30 zero-metal…

High Energy Astrophysical Phenomena · Physics 2015-10-28 Ko Nakamura , Tomoya Takiwaki , Takami Kuroda , Kei Kotake

We present results of three-dimensional (3D), radiation-magnetohydrodynamics (MHD) simulations of core-collapse supernovae in full general relativity (GR) with spectral neutrino transport. In order to study the effects of progenitor's…

High Energy Astrophysical Phenomena · Physics 2020-06-24 Takami Kuroda , Almudena Arcones , Tomoya Takiwaki , Kei Kotake

We study the impact of a small-scale dynamo in core-collapse supernovae using a 3D neutrino magnetohydrodynamics simulation of a $15 M_\odot$ progenitor. The weak seed field is amplified exponentially in the gain region once neutrino-driven…

High Energy Astrophysical Phenomena · Physics 2020-08-11 Bernhard Müller , Vishnu Varma