PoS - Proceedings of Science
Volume 334 - The 36th Annual International Symposium on Lattice Field Theory (LATTICE2018) - Nonzero Temperature and Density
Meson correlation functions at high temperature QCD: $SU(2)_{CS}$ symmetry vs. free quarks
C. Rohrhofer,* Y. Aoki, G. Cossu, L. Glozman, S. Hashimoto, S. Prelovsek
*corresponding author
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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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