Eliminating Infrared Divergences in the Pressure
I. T. Drummond, R. R. Horgan, P. V. Landshoff, A. Rebhan
TL;DR
This paper demonstrates that infrared divergences in the calculation of pressure in thermal equilibrium systems can be effectively eliminated through Dyson resummation of thermal propagators.
Contribution
It introduces a method to remove infrared divergences in pressure calculations using Dyson resummation of thermal propagators.
Findings
Infrared divergences are rendered harmless in pressure calculations.
Dyson resummation effectively eliminates potential divergences.
The approach improves the reliability of thermal pressure computations.
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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