Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 4, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP04(2017)132
Keywords
Phase Diagram of QCD; Topological States of Matter; Effective Field Theories
Categories
Funding
- JSPS KAKENHI [16K17703]
- MEXT-Supported Program for the Strategic Research Foundation at Private Universities, Topological Science [S1511006]
- Grants-in-Aid for Scientific Research [16K17703] Funding Source: KAKEN
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The Chiral Soliton Lattice (CSL) is a state with a periodic array of topological solitons that spontaneously breaks parity and translational symmetries. Such a state is known to appear in chiral magnets. We show that CSL also appears as a ground state of quantum chromodynamics at nonzero chemical potential in a magnetic field. By analyzing the fluctuations of the CSL, we furthermore demonstrate that in strong but achievable magnetic fields, charged pions undergo Bose-Einstein condensation. Our results, based on a systematic low-energy effective theory, are model-independent and fully analytic.
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