Universal magnetoresponse in QCD and $\mathcal{N}=4$ SYM
High Energy Physics - Theory
2018-10-17 v2 High Energy Physics - Lattice
Nuclear Theory
Abstract
Using recent lattice data on the thermodynamics of QCD in the presence of a background magnetic field, we show that the ratio of transverse to longitudinal pressure exhibits, to good accuracy, a simple scaling behavior over a wide range of temperature and magnetic field, essentially depending only on the ratio . We compare this QCD response to the corresponding magnetoresponse in maximally supersymmetric Yang Mills theory. Given suitable calibrations defining the comparison, we find excellent agreement. This may be viewed as a further test of the applicability of holographic models for hot QCD.
Keywords
Cite
@article{arxiv.1806.09632,
title = {Universal magnetoresponse in QCD and $\mathcal{N}=4$ SYM},
author = {Gergely Endrodi and Matthias Kaminski and Andreas Schafer and Jackson Wu and Laurence Yaffe},
journal= {arXiv preprint arXiv:1806.09632},
year = {2018}
}
Comments
v2: fixed minor typos, published version; v1: 23 pages, 6 figures