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Dynamical color conductivity of a chiral quark-gluon plasma

Sourav Duari1,3,*, Nilanjan Chaudhuri1,†, Pradip Roy2,3,‡, and Sourav Sarkar1,3,§

  • *Contact author: s.duari@vecc.gov.in; sduari.vecc@gmail.com
  • †Contact author: n.chaudhri@vecc.gov.in; nilanjan.vecc@gmail.com
  • ‡Contact author: pradipk.roy@saha.ac.in
  • §Contact author: sourav.vecc@gmail.com
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Phys. Rev. D 113, 014011 – Published 12 January, 2026

DOI: https://doi.org/10.1103/xtpy-n3k3

Abstract

The dynamical chromoelectric color conductivity of a chiral plasma has been extracted from one loop gluon self energy by using linear response theory at finite temperature and density. It is shown that due to the P and CP violation the conductivity tensor has an anomalous contribution in addition to the longitudinal and transverse components. We identify this anomalous conductivity as chiral chromomagnetic conductivity. The spectral representations of real and imaginary parts of the longitudinal and transverse conductivities show marginal variations in chiral plasma as compared to the nonchiral plasma. The static limit of chiral chromomagnetic conductivity is found to be independent of medium properties reflecting its topological nature.

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Phys. Rev. D 113, 014011– Published 12 January, 2026
  • Received 18 September 2025
  • Accepted 22 December 2025
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