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36th Annual International Symposium on Lattice Field Theory

22-28 July 2018
Kellogg Hotel and Conference Center
EST timezone

Meson correlation functions at high temperature QCD: $SU(2)_{CS}$ symmetry vs. free quarks

Jul 27, 2018, 5:50 PM
20m
Centennial (Kellogg Hotel and Conference Center)

Centennial

Kellogg Hotel and Conference Center

219 S Harrison Rd, East Lansing, MI 48824
Nonzero Temperature and Density

Speaker

Mr Christian Rohrhofer (University of Graz)

Description

We report on the progress of understanding spatial correlation functions in high temperature QCD. We study isovector meson operators in Nf=2 QCD using domain-wall fermions on lattices of Ns=32 and different quark masses. It has previously been found that at $\sim 2 T_c$ 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.

Primary authors

Mr Christian Rohrhofer (University of Graz) Dr Guido Cossu (University of Edinburgh) Prof. Leonid Glozman (University of Graz) Prof. Sasa Prelovsek (University of Ljubljana) Dr Shoji Hashimoto (KEK) Yasumichi Aoki (KEK)

 Slides