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On the Infrared Behavior of the Pressure in Thermal Field Theories by de Almeida, A. P.; Frenkel, J. is a scholarly article available to read on EtoBox.

What is On the Infrared Behavior of the Pressure in Thermal Field Theories about?

We study non-perturbatively, via the Schwinger-Dyson equations, the leading infrared behavior of the pressure in the ladder approximation. This problem is discussed firstly in the context of a thermal scalar field theory, and the analysis is then extended to the Yang-Mills theory at high temperatures. Using the Feynman gauge, we find a system of two coupled integral equations for the gluon and ghost self-energies, which is solved analytically. The solutions of these equations show that the contributions to the pressure, when calculated in the ladder approximation, are finite in the infrared domain.

Author

de Almeida, A. P.; Frenkel, J.

Published

1992

Language

EN