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On the gravitational instability of a dissipative medium

L S García Colín1,2 and Alfredo Sandoval-Villalbazo3,4

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This paper shows that the ordinary Jeans wave number can be obtained as a limiting case of a more general approach that includes dissipative effects. Corrections to the Jeans critical mass associated with viscosity are established. Some possible implications of the results are finally discussed.


PACS

04.40.Nr Einstein-Maxwell spacetimes, spacetimes with fluids, radiation or classical fields

MSC

83C55 Macroscopic interaction of the gravitational field with matter (hydrodynamics, etc.)

Subjects

Gravitation and cosmology

Dates

Issue 8 (21 April 2002)

Received 22 November 2001, in final form 4 February 2002

Published 25 March 2002



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