A Simple Derivation of the Hard Thermal Loop Effective Action
High Energy Physics - Theory
2016-08-25 v2
Abstract
We use the background field method along with a special gauge condition, to derive the hard thermal loop effective action in a simple manner. The new point in the paper is to relate the effective action explicitly to the S-matrix from the onset.
Cite
@article{arxiv.hep-th/9809013,
title = {A Simple Derivation of the Hard Thermal Loop Effective Action},
author = {Per Elmfors and T. H. Hansson and Ismail Zahed},
journal= {arXiv preprint arXiv:hep-th/9809013},
year = {2016}
}
Comments
11 pages, Latex; lost text after sect. 2 reinserted