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Core-collapse supernovae are connected with formation of neutron stars. Part of the gravitation energy is transformed into the energy of the explosion, observed in SN II, SN Ib,c type supernovae. The mechanism of transformation is not…

Astrophysics · Physics 2007-05-23 G. S. Bisnovatyi-Kogan , S. G. Moiseenko , N. V. Ardeljan

New insights into the mechanism and character of core--collapse supernova explosions are transforming the approach of theorists to their subject. The universal realization that the direct hydrodynamic mechanism does not work and that a…

Astrophysics · Physics 2009-10-28 Adam Burrows

We provide a detailed description of the Chimera code, a code developed to model core collapse supernovae in multiple spatial dimensions. The core collapse supernova explosion mechanism remains the subject of intense research. Progress to…

We summarize the results of core collapse supernova theory from one-, two-, and three-dimensional models and provide a snapshot of the field at this time. We also present results from the "Oak Ridge" group in this context. Studies in both…

We investigate the effect of dimensionality on the transition to explosion in neutrino-driven core-collapse supernovae. Using parameterized hydrodynamic simulations of the stalled supernova shock in one-, two- (2D), and three spatial…

High Energy Astrophysical Phenomena · Physics 2015-08-06 Rodrigo Fernández

The question why and how core-collapse supernovae (SNe) explode is one of the central and most long-standing riddles of stellar astrophysics. A solution is crucial for deciphering the SN phenomenon, for predicting observable signals such as…

High Energy Astrophysical Phenomena · Physics 2018-04-25 H. -Th. Janka

We present the gravitational waveforms computed in ab initio two-dimensional core collapse supernova models evolved with the Chimera code for progenitor masses between 12 and 25 solar masses. All models employ multi-frequency neutrino…

We introduce a novel parameterization of supernova neutrino energy spectra with a clear physical motivation. Its central parameter, $\tau(t)$, quantifies the characteristic thermal-diffusion area during the explosion. When applied to the…

High Energy Astrophysical Phenomena · Physics 2025-11-21 Haihao Shi , Zhenyang Huang , Junda Zhou , Guoliang Lü , Xuefei Chen

Fostered by the possibilities of multi-dimensional computational modeling, in particular the advent of three-dimensional (3D) simulations, our understanding of the neutrino-driven explosion mechanism of core-collapse supernovae (SNe) has…

High Energy Astrophysical Phenomena · Physics 2017-10-25 H. -Thomas Janka , Michael Gabler , Annop Wongwathanarat

We present a broadband spectrum of gravitational waves from core-collapse supernovae (CCSNe) sourced by neutrino emission asymmetries for a series of full 3D simulations. The associated gravitational wave strain probes the long-term secular…

High Energy Astrophysical Phenomena · Physics 2020-10-07 David Vartanyan , Adam Burrows

We present a detailed theoretical analysis of the gravitational-wave (GW) signal of the post-bounce evolution of core-collapse supernovae (SNe), employing for the first time relativistic, two-dimensional (2D) explosion models with…

Solar and Stellar Astrophysics · Physics 2015-06-11 Bernhard Mueller , Hans-Thomas Janka , Andreas Marek

Magnetorotational supernovae are a rare type of core-collapse supernovae where the magnetic field and rotation play a central role in the dynamics of the explosion. We present the post-processed nucleosynthesis of state-of-the-art…

High Energy Astrophysical Phenomena · Physics 2022-11-30 Moritz Reichert , Martin Obergaulinger , Miguel-Angel Aloy , Michael Gabler , Almudena Arcones , Friedrich-Karl Thielemann

We briefly summarize recent efforts in Garching for modeling stellar core collapse and post-bounce evolution in one and two dimensions. The transport of neutrinos of all flavors is treated by iteratively solving the coupled system of…

Astrophysics · Physics 2007-05-23 H. -Th. Janka , R. Buras , F. S. Kitaura Joyanes , A. Marek , M. Rampp

The effects of general relativity (GR) on the hydrodynamics and neutrino transport are examined during the critical shock reheating phase of core collapse supernovae. We find that core collapse computed with GR hydrodynamics results in a…

Astrophysics · Physics 2007-05-23 K. R. De Nisco , S. W. Bruenn , A. Mezzacappa

Recent developments in multi-dimensional simulations of core-collapse supernovae have considerably improved our understanding of this complex phenomenon. In addition to that, one-dimensional (1D) studies have been employed to study the…

Solar and Stellar Astrophysics · Physics 2024-03-25 Luca Boccioli , Lorenzo Roberti

With the aim of clarifying the nature of the core-collapse supernova events, we have developed a specifically tailored relativistic, radiation-hydrodynamics Lagrangian code, that enables us to simulate the evolution of the main observables…

Solar and Stellar Astrophysics · Physics 2011-09-09 M. L. Pumo , L. Zampieri

Motivated by their role as the direct or indirect source of many of the elements in the Universe, numerical modeling of core collapse supernovae began more than five decades ago. Progress toward ascertaining the explosion mechanism(s) has…

Solar and Stellar Astrophysics · Physics 2023-01-25 Anthony Mezzacappa

We review the status of the current quest to understand the mechanism of core-collapse supernovae, if neutrino-driven. In the process, we discuss the spherical explosion paradigm and its problems, some results from our new suite of collapse…

Astrophysics · Physics 2009-11-07 Adam Burrows , Todd A. Thompson

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

Neutrinos remain mysterious. As an example, enhanced self-interactions ($\nu$SI), which would have broad implications, are allowed. At the high neutrino densities within core-collapse supernovae, $\nu$SI should be important, but robust…

High Energy Physics - Phenomenology · Physics 2023-08-17 Po-Wen Chang , Ivan Esteban , John F. Beacom , Todd A. Thompson , Christopher M. Hirata
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