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Eliminating Infrared Divergences in the Pressure

I. T. Drummond, R. R. Horgan, P. V. Landshoff, A. Rebhan

hep-tharXiv:hep-th/9610189

Abstract

The pressure of a system in thermal equilibrium is expressed as a mass integral over a sum of thermal propagators. This allows a Dyson resummation and is used to demonstrate that potential infrared divergences are rendered harmless.

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