Which chiral symmetry is restored in hot QCD?

1993/10/08 by Edward Shuryak · 1 citation
Physics and Astronomy · #hep-ph #hep-lat

paper · pdf

published as Comments Nucl.Part.Phys. 21 (1994) 235-248

arxiv created 1993/10/08 · arxiv updated 2009/11/30

Abstract

We review the current status of the problem of chiral symmetry restoration, discussing an open question of whether at the SU(N_f)_A restoration point T=T_c the U(1)_A chiral symmetry is or is not (approximately) restored. New lattice and instanton-based studies are considered, and some new calculations are suggested to clarify the issue. We also speculate on possible experimental manifestations of two possible scenarios.

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• Probing the chiral and U ( 1 ) axial symmetry restoration via meson susceptibilities in holographic QCD

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