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Convective instability in proto-neutron stars

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.

Publication metadata

Author(s): Miralles JA, Pons JA, Urpin VA

Publication type: Article

Publication status: Published

Journal: Astrophysical Journal

Year: 2000

Volume: 543

Issue: 2

Pages: 1001-1006

ISSN (print): 0004-637X

ISSN (electronic): 1538-4357

Publisher: Institute of Physics Publishing Ltd.


DOI: 10.1086/317163


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