On Cosmological Implication of the Trace Anomaly

Details On Cosmological Implication of the Trace Anomaly On Cosmological Implication of the Trace Anomaly

2004-01-18

arxiv.org/abs/hep-th/0401121v1

Int.J.Theor.Phys. 44 (2005) 283-291

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, no figures

Scientific paper

10.1007/s10773-005-2989-6

We establish a connection between the trace anomaly and a thermal radiation in the context of the standard cosmology. This is done by solving the covariant conservation equation of the stress tensor associated with a conformally invariant quantum scalar field. The solution corresponds to a thermal radiation with a temperature which is given in terms of a cut-off time excluding the spacetime regions very close to the initial singularity. We discuss the interrelation between this result and the result obtained in a two-dimensional schwarzschild spacetime.

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