Transport properties of a charged fireball in an external electromagnetic field

S. Bondarenko, K. Komoshvili, A. Prygarin

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


We investigate adiabatic expansion of a charged and rotating fireball consisting of weekly interacting particles, which is initially perturbed by an external electromagnetic field. A framework for the perturbative calculation of the non-equilibrium distribution function of the fireball is considered and the distribution function is calculated to the first order in the perturbative expansion. This distribution function, which describes the evolution of the fireball with constant entropy, allows to calculate momentum flux tensor and viscosity coefficients of the expanding system. We show, that these viscosity coefficients depend on the initial angular velocity of the fireball and on the strength of its initial perturbation by the external field. Obtained results are applied to the phenomenology of the viscosity to the entropy ratio calculated in lattice models.

Original languageEnglish
Pages (from-to)129-162
Number of pages34
JournalNuclear Physics A
StatePublished - 1 Jun 2016


  • Dense matter
  • Electromagnetic plasma
  • Non-equilibrium process
  • Quark-gluon plasma
  • Shear viscosity


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