On the infrared behavior of the shear spectral function in hot Yang-Mills theory
High Energy Physics - Phenomenology
2015-02-11 v2 High Energy Physics - Lattice
Nuclear Theory
Abstract
We revisit the determination of the two-loop spectral function in the shear channel of hot Yang-Mills theory. Correcting a technical error in an earlier computation and extending the result with a leading order Hard Thermal Loop resummation is seen to improve the infrared behavior of the quantity significantly. This makes it possible to straightforwardly use the result in the corresponding imaginary time correlator and the shear sum rule.
Keywords
Cite
@article{arxiv.1502.02556,
title = {On the infrared behavior of the shear spectral function in hot Yang-Mills theory},
author = {Aleksi Vuorinen and Yan Zhu},
journal= {arXiv preprint arXiv:1502.02556},
year = {2015}
}
Comments
25 pages, 5 figures. v2: Minor corrections in discussion and references