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Lookup NU author(s): Dr Vadim Urpin
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The linear hydrodynamic stability of proto-neutron stars (PNSs) is considered, taking into account dissipative processes such as neutrino transport and viscosity. We obtain the general instability criteria, which differ essentially from the well-known Ledoux criterion used in previous studies. We apply the criteria to evolutive models of PNSs that, in general, can be subject to the various known regimes such as neutron fingers and convective instabilities. Our results indicate that the fingers instability arises in a more extended region of the stellar volume and lasts a longer time than expected.
Author(s): Miralles JA, Pons JA, Urpin VA
Publication type: Article
Publication status: Published
Journal: Astrophysical Journal
ISSN (print): 0004-637X
ISSN (electronic): 1538-4357
Publisher: Institute of Physics Publishing Ltd.
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