Stability of self-gravitating accreting flows

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Date
2008
Authors
Mach, Patryk
Malec, Edward
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Volume Title
Publisher
American Physical Society
Published Version
10.1103/PhysRevD.78.124016
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Abstract
Analytic methods show stability of the stationary accretion of test fluids but they are inconclusive in the case of self-gravitating stationary flows. We investigate numerically stability of those stationary flows onto compact objects that are trans-sonic and rich in gas. In all studied examples solutions appear stable. Numerical investigation suggests also that the analogy between sonic and event horizons holds for small perturbations of compact support but fails in the case of finite perturbations.
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Keywords
General-relativistic hydrodynamics , Degenerate neutron cores , Spherical accretion , Black-hole , Selfgravitation , Stationary , Formula , Matter , Analog , Code
Citation
Mach, P. and Malec, E. (2008) 'Stability of self-gravitating accreting flows', Physical Review D, 78(12), 124016 (10pp). doi: 10.1103/PhysRevD.78.124016
Link to publisher’s version
https://journals.aps.org/prd/abstract/10.1103/PhysRevD.78.124016
URI
https://hdl.handle.net/10468/4571
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Physics - Journal Articles
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© 2008, American Physical Society