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  General Relativistic Three-Dimensional Multi-Group Neutrino Radiation-Hydrodynamics Simulations of Core-Collapse Supernovae

Roberts, L. F., Ott, C. D., Haas, R., O'Connor, E. P., Diener, P., & Schnetter, E. (2016). General Relativistic Three-Dimensional Multi-Group Neutrino Radiation-Hydrodynamics Simulations of Core-Collapse Supernovae. The Astrophysical Journal, 831(1): 98. doi:10.3847/0004-637X/831/1/98.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-7170-E Version Permalink: http://hdl.handle.net/21.11116/0000-0002-F9C8-4
Genre: Journal Article

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 Creators:
Roberts, Luke F., Author
Ott, Christian D.1, Author              
Haas, Roland2, Author              
O'Connor, Evan P., Author
Diener, Peter, Author
Schnetter, Erik1, Author              
Affiliations:
1Stellar Astrophysics, MPI for Astrophysics, Max Planck Society, ou_159882              
2Astrophysical and Cosmological Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_1933290              

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE
 Abstract: 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 closure, three neutrino species, and 12 energy groups per species. With this, we follow the post-core-bounce evolution of the core of a nonrotating $27$-$M_\odot$ progenitor in full unconstrained 3D and in octant symmetry for $\gtrsim$$ 380\,\mathrm{ms}$. We find the development of an asymmetric runaway explosion in our unconstrained simulation. We test the resolution dependence of our results and, in agreement with previous work, find that low resolution artificially aids explosion and leads to an earlier runaway expansion of the shock. At low resolution, the octant and full 3D dynamics are qualitatively very similar, but at high resolution, only the full 3D simulation exhibits the onset of explosion.

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 Dates: 2016-04-2620162016
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: arXiv: 1604.07848
URI: http://arxiv.org/abs/1604.07848
DOI: 10.3847/0004-637X/831/1/98
 Degree: -

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Title: The Astrophysical Journal
Source Genre: Journal
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Publ. Info: Chicago, IL : University of Chicago Press for the American Astronomical Society
Pages: - Volume / Issue: 831 (1) Sequence Number: 98 Start / End Page: - Identifier: ISSN: 0004-637X
CoNE: /journals/resource/954922828215_3