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Chiralspin symmetry and QCD at high temperature

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arxiv 1712.05168 v3 pith:KVEQ6JCF submitted 2017-12-14 hep-ph hep-lathep-thnucl-th

L. Ya. Glozman This is my paper · ORCID
classification hep-phhep-lathep-thnucl-th
keywords chemicalhighpotentialsymmetricsymmetrytemperatureapproximatelybeen
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It has been found very recently on the lattice that at high temperature at vanishing chemical potential QCD is increasingly SU(2)_CS and SU(2N_F) symmetric. We demonstrate that the chemical potential term in the QCD Lagrangian has precisely the same symmetry. Consequently the QCD matter beyond the chiral restoration line on the T - \mu plane is at least approximately SU(2)_CS and SU(2N_F) symmetric.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Symmetry of screening masses of mesons in two-flavor lattice QCD at high temperatures

    hep-lat 2025-01 accept novelty 6.0 of 10

    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...

  2. Chiral-spin symmetry of the meson spectral function above $T_c$

    hep-lat 2019-09 conditional novelty 6.0 of 10

    Temporal meson correlators in lattice QCD at T=1.2Tc show approximate SU(2)CS and SU(4) degeneracies, implying the same symmetries hold in the meson spectral function.

  3. Hadronic and partonic composition of QCD matter across the crossover

    nucl-th 2026-07 conditional novelty 5.0 of 10

    A three-parameter hadron–quark crossover equation of state fitted to lattice QCD data yields a switching temperature T₀ ≃ 216 MeV, implying hadronic degrees of freedom persist well above the chiral pseudocritical temperature.

  4. Study of symmetries in finite temperature $N_f=2$ QCD with M\"obius Domain Wall Fermions

    hep-lat 2024-12 conditional novelty 4.0 of 10

    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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