Meson correlation functions at high temperature QCD: $SU(2)_{CS}$ symmetry vs. free quarks
C. Rohrhofer*,
Y. Aoki,
G. Cossu,
L. Glozman,
S. Hashimoto and
S. Prelovsek*: corresponding author
Published on:
May 29, 2019
Abstract
We report on the progress of understanding spatial correlation functions in high temperature QCD. We study isovector meson operators in $n_f=2$ QCD using domain-wall fermions on lattices of $N_s=32$ and different quark masses. It has previously been found that at $\sim 2T_c$ these observables are not only chirally symmetric but in addition approximately $SU(2)_{CS}$ and $SU(4)$ symmetric. In this study we increase the temperature up to $5T_c$ and can identify convergence towards an asymptotically free scenario at very high temperatures.
DOI: https://doi.org/10.22323/1.334.0185
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