Jeans instability analysis in the presence of heat in Eckart's frame

Details Jeans instability analysis in the presence of heat in Eckart's frame Jeans instability analysis in the presence of heat in Eckart's frame

2011-01-11

arxiv.org/abs/1101.2141v1

Gen. Relativ. Gravit. (2012) 44:139-145

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

9 pages, no figures

Scientific paper

10.1007/s10714-011-1267-6

It is shown that the coupling of heat with acceleration first proposed by Eckart would have an overwhelming effect in the growth of density mass fluctuations, even in non-relativistic fluids in the presence of a gravitational field. Gravitational effects would be negligible if the heat-acceleration relation is assumed to be valid for the hydrodynamic equations. A direct implication of this result is that recent alternative first order in the gradients theories must be taken into account while describing a special relativistic fluid.

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