Chiral soliton lattice phase in warm QCD

Tomáš Brauner (Department of Mathematics and Physics, University of Stavanger, Stavanger, Norway) ; Helena Kolešová (Department of Mathematics and Physics, University of Stavanger, Stavanger, Norway) ; Naoki Yamamoto (Department of Physics, Keio University, Yokohama, Japan)

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.

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Published on:
04 November 2021
Publisher:
Elsevier
Published in:
Physics Letters B , Volume 974 C (2021)

Article ID: 136767
DOI:
https://doi.org/10.1016/j.physletb.2021.136767
Copyrights:
The Author(s)
Licence:
CC-BY-3.0

Fulltext files: