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  Multi-Dimensional Explorations in Supernova Theory

Burrows, A., Dessart, L., Ott, C. D., & Livne, E. (2007). Multi-Dimensional Explorations in Supernova Theory. Physics Reports, 442(1-6), 23-37.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-48EF-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-48F0-D
Genre: Journal Article

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 Creators:
Burrows, Adam, Author
Dessart, Luc, Author
Ott, Christian D.1, Author
Livne, Eli, Author
Affiliations:
1Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24013              

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 Abstract: In this paper, we bring together various of our published and unpublished findings from our recent 2D multi-group, flux-limited radiation hydrodynamic simulations of the collapse and explosion of the cores of massive stars. Aided by 2D and 3D graphical renditions, we motivate the acoustic mechanism of core-collapse supernova explosions and explain, as best we currently can, the phases and phenomena that attend this mechanism. Two major foci of our presentation are the outer shock instability and the inner core g-mode oscillations. The former sets the stage for the latter, which damp by the generation of sound. This sound propagates outward to energize the explosion and is relevant only if the core has not exploded earlier by some other means. Hence, it is a more delayed mechanism than the traditional neutrino mechanism that has been studied for the last twenty years since it was championed by Bethe and Wilson. We discuss protoneutron star convection, accretion-induced-collapse, gravitational wave emissions, pulsar kicks, the angular anisotropy of the neutrino emissions, a subset of numerical issues, and a new code we are designing that should supercede our current supernova code VULCAN/2D. Whatever ideas last from this current generation of numerical results, and whatever the eventual mechanism(s), we conclude that the breaking of spherical symmetry will survive as one of the crucial keys to the supernova puzzle.

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 Dates: 2007
 Publication Status: Published in print
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 Identifiers: eDoc: 293702
Other: arXiv:astro-ph/0612460
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Title: Physics Reports
Source Genre: Journal
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Pages: - Volume / Issue: 442 (1-6) Sequence Number: - Start / End Page: 23 - 37 Identifier: -