Chiral asymmetry of the Fermi surface in dense relativistic matter in a magnetic field

Abstract

It is revealed that in dense relativistic matter in a magnetic field, there exists a contribution to the axial current associated with a relative shift of the longitudinal momenta in the dispersion relations of opposite chirality fermions. Unlike the topological contribution in the axial current at the lowest Landau level, recently discussed in the literature, the dynamical one appears only in interacting matter and affects the fermions in all Landau levels, including those around the Fermi surface. The induced axial current and the shift of the Fermi surfaces of the left-handed and right-handed fermions are expected to play an important role in transport and emission properties of matter in various types of compact stars as well as in heavy ion collisions.

5 pages, no figures; v2: to match published version

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• Vacuum structure and chiral symmetry breaking in strong magnetic fields for hot and dense quark matter
• Dirac semimetals $A_{3}Bi$ ($A$=Na,K,Rb) as $Z_2$ Weyl semimetals
• Acoustogalvanic effect in Dirac and Weyl semimetals
• Surface Magnetic Catalysis
• Chiral asymmetry and axial anomaly in magnetized relativistic matter
• CP violation and chiral symmetry breaking in hot and dense quark matter in presence of magnetic field
• Surface plasmon polaritons in strained Weyl semimetals
• Quantum oscillations as a probe of interaction effects in Weyl semimetals in a magnetic field
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• Chiral Magnetic and Vortical Effects in Higher Dimensions at Weak Coupling
• Chiral asymmetry in cold QED plasma in a strong magnetic field
• Chiral symmety breaking in 3-flavor Nambu-Jona Lasinio model in magnetic background
• Chiral separation effect for spin 3/2 fermions
• Bose-Einstein condensate of Dirac magnons: Pumping and collective modes
• Polarization Dynamics in Paramagnet of Charged Quark-Gluon Plasma