The Unique Derivative Expansion for Thermal Effective Actions
High Energy Physics - Phenomenology
2007-05-23 v2
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.
Keywords
Cite
@article{arxiv.hep-ph/9808383,
title = {The Unique Derivative Expansion for Thermal Effective Actions},
author = {T. S. Evans},
journal= {arXiv preprint arXiv:hep-ph/9808383},
year = {2007}
}
Comments
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