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Axial inverse magnetic catalysis

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arxiv 2110.10432 v3 pith:2XLW5IWL submitted 2021-10-20 hep-ph hep-latnucl-th

Axial inverse magnetic catalysis

classification hep-ph hep-latnucl-th
keywords magneticaimcaxialcatalysischiralinversecimcflavors
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We find that the inverse magnetic catalysis for $U(1)$ axial symmetry (AIMC: axial inverse magnetic catalysis) can emerge around the chiral crossover regime in the thermomagnetic QCD with 2 + 1 flavors at physical point. This phenomenon can be correlated with the IMC for the chiral $SU(2)_L \times SU(2)_R$ symmetry (CIMC: chiral IMC). We explicitly observe the AIMC based on a Nambu-Jona-Lasinio model with 2 + 1 quark flavors, where introduced anomalous magnetic moments of the quarks play the essential role to drive both the CIMC and AIMC. Our finding is shortly testable on lattices. Possible phenomenological and cosmological implications are also briefly addressed.

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Forward citations

Cited by 3 Pith papers

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

  1. Chiral and $U(1)_A$ symmetries in background magnetic fields from lattice QCD

    hep-lat 2026-07 conditional novelty 6.5

    Neutral-sector chiral and U(1)A susceptibility splittings exhibit magnetic catalysis at low T and inverse-catalysis-like suppression at large eB near the QCD crossover on HISQ lattices.

  2. Anomalous-magnetic-moment-enhanced Casimir effect

    hep-ph 2025-07 unverdicted novelty 5.0

    Anomalous magnetic moment of Dirac fermions enhances fermionic Casimir energy under magnetic fields via gapless lowest Landau level behavior.

  3. Lattice QCD at finite temperature and density

    hep-lat 2026-03 unverdicted novelty 2.0

    A review of lattice QCD findings on the finite-temperature QCD transition at zero baryon chemical potential, its chiral limit behavior, constraints on the phase boundary and critical endpoint at finite density, plus a...