Analysis for thermal equilibrium Friedmann-Robertson-Walker universe model

Abstract

Abstract The mechanical property of thethermal-equilibrium Friedmann-Robertson-Walker (TEFRW) universe is first studied. The equation of state and scale factor of the TEFRW universe take the forms of $w=w(a;z_T)$ and $a=a(a;z_T,H_0)$. For the universe consisting of the nonrelativistic matter andthe dark energy, the behavior of the dark energy depends on thevalue of the present-day matter fraction. For the TEFRW universe consisting of $N$ ingredients, the effective temperatureis introduced. Lastly, a simple TEFRW universe model is analyzed.

Keywords: TEFRW universe dark energy effective temperature

Received: 20 August 2013
Published: 31 October 2013

Cite this article:

Analysis for thermal equilibrium Friedmann-Robertson-Walker universe model Chin. Phys. B 0

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