SIMPLE COSMOLOGICAL MODEL WITH RELATIVISTIC GAS-Reference-Cited by-同舟云学术

SIMPLE COSMOLOGICAL MODEL WITH RELATIVISTIC GAS

Published:2005-11-20 Issue:35 Volume:20 Page:2723-2734
ISSN:0217-7323
Container-title:Modern Physics Letters A
language:en
Short-container-title:Mod. Phys. Lett. A

Author:

DE BERREDO-PEIXOTO GUILHERME¹,SHAPIRO ILYA L.¹,SOBREIRA FLÁVIA¹

Affiliation:

1. Departamento de Física – ICE, Universidade Federal de Juiz de Fora, Juiz de Fora, CEP 36036-330, MG, Brazil

Abstract

We construct simple and useful approximation for the relativistic gas of massive particles. The equation of state is given by an elementary function and admits analytic solution of the Friedmann equation, including more complex cases when the relativistic gas of massive particles is considered together with radiation or with dominating cosmological constant. The model of relativistic gas may be interesting for the description of primordial Universe, especially as a candidate for the role of a Dark Matter.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217732305018104

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