Effects of chiral imbalance and magnetic field on pion superfluidity and color superconductivity

Abstract

The effects of chiral imbalance and external magnetic field on pion superfluidity and color superconductivity are investigated in extended Nambu--Jona-Lasinio models. We take Schwinger approach to treat the interaction between charged pion condensate and magnetic field at finite isospin density and include simultaneously the chiral imbalance and magnetic field at finite baryon density. For the superfluidity, the chiral imbalance and magnetic field lead to catalysis and inverse catalysis effects, respectively. For the superconductivity, the chiral imbalance enhances the critical baryon density, and the magnetic field results in a de Haas--van Alphan oscillation on the phase transition line.

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Cited by in corpus (37)

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• Inverse magneto-rotational catalysis and the phase diagram of a rotating hot and magnetized quark matter
• Chiral imbalanced hot and dense quark matter: NJL analysis at the physical point and comparison with lattice QCD
• Inhomogeneous charged pion condensation in chiral asymmetric dense quark matter in the framework of NJL${}_2$ model
• Dense baryon matter with isospin and chiral imbalance in the framework of NJL${}_4$ model at large $N_c$: duality between chiral symmetry breaking and charged pion condensation
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• Competition and duality correspondence between chiral and superconducting channels in (2+1)-dimensional four-fermion models with fermion number and chiral chemical potentials
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• Charged pion condensation in dense quark matter: Nambu--Jona-Lasinio model study
• Rotation induced charged pion condensation in a strong magnetic field: A Nambu--Jona-Lasino model study
• Nambu--Jona-Lasinio model in a parallel electromagnetic field
• "Splitting" magnetic catalysis effect prevents vacuum superconductivity in strong magnetic fields
• Influence of chiral asymmetry on phase structure of the two-color quark matter
• Magnetic catalysis of a finite size pion condensate
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• Affinity of NJL${}_2$ and NJL${}_4$ model results on duality and pion condensation in chiral asymmetric dense quark matter
• Chiral phase transition and spin alignment of vector mesons with chiral imbalance in a rotating QCD medium
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• Medium separation scheme effects on the magnetized and cold two-flavor superconducting quark matter
• Gauge independence of pion masses in a magnetic field within the Nambu--Jona-Lasinio model
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