Chiral separation effect catalyzed by heavy impurities

Abstract

We investigate the influence of Kondo effect, namely, the nonperturbative effect induced by heavy impurities, on the chiral separation effect (CSE) in quark matter. We employ a simple effective model incorporating the Kondo condensate made of a light quark and a heavy quark, and compute the response function of axial current to the magnetic field in static limit and dynamical limit. As a result, we find that the Kondo effect catalyzes the CSE in both the limits, and particularly the CSE in dynamical limit can be enhanced by a factor of approximately three. Our findings clearly show that the presence of heavy impurities in quark matter can play an important role in the transport phenomena of light quarks induced by a magnetic field.

17 pages, 6 figures

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Cited by in corpus (9)

• Strong-Field Physics in QED and QCD: From Fundamentals to Applications
• Kondo effect with Wilson fermions
• Spin-orbital magnetic response of relativistic fermions with band hybridization
• Delineating chiral separation effect in two-color dense QCD
• Heavy-quark spin polarization induced by the Kondo effect in a magnetic field
• Dirac Kondo effect under magnetic catalysis
• Strongly interacting matter in extreme magnetic fields
• QCD Kondo effect for single heavy quark in chiral-symmetry broken phase
• Yu-Shiba-Rusinov states in color superconducting quark matter