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Long duration gamma-ray bursts: hydrodynamic instabilities in collapsar disks

Abstract:

We present 3D numerical simulations of the early evolution of long-duration gamma-ray bursts in the collapsar scenario. Starting from the core-collapse of a realistic progenitor model, we follow the formation and evolution of a central black hole and centrifugally balanced disk. The dense, hot accretion disk produces freely-escaping neutrinos and is hydrodynamically unstable to clumping and to forming non-axisymmetric (m=1, 2) modes. We show that these spiral structures, which form on dynamic...

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Publication status:
Published

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Authors


Taylor, PA More by this author
Miller, JC More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Astrophysics
Journal:
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Volume:
410
Issue:
4
Pages:
2385-2413
Publication date:
2010-06-23
DOI:
EISSN:
1365-2966
ISSN:
0035-8711
URN:
uuid:9126ad0a-a652-47f7-a18d-2ed4e1d111d1
Source identifiers:
120289
Local pid:
pubs:120289
Language:
English
Keywords:

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