Speed of Sound in String Gas Cosmology

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We consider an ensemble of closed strings in a compact space with stable one cycles and compute the speed of sound resulting from string thermodynamics. Possible applications to the issue of Jeans instability in string gas cosmology are mentioned.
6 pages, 1 figure, one reference added, figure re-sized one reference added, one footnote added, a typo corrected

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High Energy Physics - Theory, Astrophysics, General Relativity and Quantum Cosmology, High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/218836

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0806.4358
 http://arxiv.org/abs/0806.4358
 JHEP 0809:082,2008
 doi:10.1088/1126-6708/2008/09/082

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arXiv