Electromagnetic field and the chiral magnetic effect in the quark-gluon plasma

Kirill Tuchin
Phys. Rev. C 91, 064902 – Published 4 June 2015

Abstract

Time evolution of an electromagnetic field created in heavy-ion collisions strongly depends on the electromagnetic response of the quark-gluon plasma, which can be described by the Ohmic and chiral conductivities. The latter is intimately related to the chiral magnetic effect. I argue that a solution to the classical Maxwell equations at finite chiral conductivity is unstable due to the soft modes k<σχ that grow exponentially with time. In the kinematical region relevant for the relativistic heavy-ion collisions, I derive analytical expressions for the magnetic field of a point charge. I show that finite chiral conductivity causes oscillations of magnetic field at early times.

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  • Received 1 December 2014
  • Revised 27 January 2015

DOI:https://doi.org/10.1103/PhysRevC.91.064902

©2015 American Physical Society

Authors & Affiliations

Kirill Tuchin

  • Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA

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Issue

Vol. 91, Iss. 6 — June 2015

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