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Symmetries of meson correlators in high temperature QCD with physical $(u/d, s, c)$ domain-wall quarks
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abstract
The correlation function of meson interpolators in $N_f=2+1+1$ lattice QCD with optimal domain-wall quarks at the physical point are studied for six temperatures in the range $ T \sim$ 190-770 MeV. The meson interpolators include a complete set of Dirac bilinears, and each for six combinations of quark flavors. In this paper, we focus on the meson correlators of $u$ and $d$ quarks, and discuss their implications for the effective restoration of $U(1)_A$ and $SU(2)_L \times SU(2)_R$ chiral symmetries, as well as the emergence of the approximate $SU(2)_{CS}$ chiral spin symmetry.
Forward citations
Cited by 3 Pith papers
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RG-Invariant Symmetry Ratio for QCD: A Study of $U(1)_A$ and Chiral Symmetry Restoration
In the continuum limit, κ_PS, κ_VA and κ_TX are all consistent with zero and with each other down to 164 MeV, implying concurrent chiral and U(1)_A restoration in the quark-connected nonsinglet sector.
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Symmetry of screening masses of mesons in two-flavor lattice QCD at high temperatures
Using Möbius domain-wall fermions in two-flavor QCD, the authors find that vector/axial-vector and tensor/axial-tensor screening masses become degenerate above Tc, while the chiral-spin A-X splitting stays around 40 M...
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Study of symmetries in finite temperature $N_f=2$ QCD with M\"obius Domain Wall Fermions
Screening-mass measurements in N_f=2 lattice QCD with Möbius domain-wall fermions indicate SU(2)_L x SU(2)_R and axial U(1)_A restoration near T_c ~ 165 MeV, while SU(2)_CS shows no clear emergence.
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