An asymptotic formula for marginal running coupling constants and universality of loglog corrections
Statistical Mechanics
2009-11-10 v2
Abstract
Given a two-loop beta function for multiple marginal coupling constants, we derive an asymptotic formula for the running coupling constants driven to an infrared fixed point. It can play an important role in universal loglog corrections to physical quantities.
Cite
@article{arxiv.cond-mat/0405466,
title = {An asymptotic formula for marginal running coupling constants and universality of loglog corrections},
author = {Hisamitsu Mukaida},
journal= {arXiv preprint arXiv:cond-mat/0405466},
year = {2009}
}
Comments
16 pages; typos fixed, one appendix removed for quick access to the main result; to be published in J. Phys. A