The Unique Derivative Expansion for Thermal Effective Actions

1998/08/21 by T. S. Evans, Evans, T. S.
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #hep-ph

paper · pdf · doi:10.48550/arxiv.hep-ph/9808383

RevTeX, 4 pages, 3 Feynman diagrams as eps files. Talk given at TFT98 - the 5th Workshop on Thermal Field Theories and their applications, Regensburg, Germany, 10th-14th August 1998

arxiv created 1998/09/16 · arxiv updated 2009/11/30

Abstract

I show that there is a unique and well behaved derivative expansion of an effective action at finite temperature. The result is true for all formalisms including the popular Closed Time Path and Imaginary Time methods.

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