Fixed point analysis of a scalar theory with an external field
High Energy Physics - Theory
2009-10-30 v1 Statistical Mechanics
High Energy Physics - Phenomenology
Abstract
A momentum dependent projection of the Wegner-Hougton equation is derived for a scalar theory coupled to an external field. This formalism is useful to discuss the phase diagram of the theory. In particular we study some properties of the Gaussian fixed point.
Keywords
Cite
@article{arxiv.hep-th/9709155,
title = {Fixed point analysis of a scalar theory with an external field},
author = {A. Bonanno and D. Zappala'},
journal= {arXiv preprint arXiv:hep-th/9709155},
year = {2009}
}
Comments
4 pages, LaTex