Chiral soliton lattice phase in warm QCD

We analyze the phase diagram of quantum chromodynamics at low-to-moderate temperature, baryon chemical potential and external magnetic field within chiral perturbation theory at next-to-leading order of the derivative expansion. Our main result is that the anomaly-induced chiral soliton lattice (CSL...

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Bibliographic Details
Published in:Physics letters. B 2021-12, Vol.823, p.136767, Article 136767
Main Authors: Brauner, Tomáš, Kolešová, Helena, Yamamoto, Naoki
Format: Article
Language:English
Subjects:
Chiral anomaly
Chiral perturbation theory
QCD in strong magnetic fields
Topological soliton
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Summary:We analyze the phase diagram of quantum chromodynamics at low-to-moderate temperature, baryon chemical potential and external magnetic field within chiral perturbation theory at next-to-leading order of the derivative expansion. Our main result is that the anomaly-induced chiral soliton lattice (CSL) phase is stabilized by thermal fluctuations. As a consequence, the CSL state may survive up to temperatures at which chiral symmetry is restored.
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2021.136767