Cavitation in a quark gluon plasma with finite chemical potential and several transport coefficients

S. M. Sanches, Jr., D. A. Fogaça, F. S. Navarra, and H. Marrochio
Phys. Rev. C 92, 025204 – Published 12 August 2015

Abstract

We study the effects of a finite chemical potential on the occurrence of cavitation in a quark gluon plasma (QGP). We solve the evolution equations of second-order viscous relativistic hydrodynamics using two equations of state. The first one was derived in lattice QCD and represents QGP at zero chemical potential and it was previously used in the study of cavitation. The second equation of state also comes from lattice QCD and is a recent parametrization of the QGP at finite chemical potential. We conclude that at finite chemical potential, cavitation in the QGP occurs earlier than at zero chemical potential. We also consider transport coefficients from a holographic model of a nonconformal QGP at zero chemical potential. In this case cavitation does not occur.

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  • Received 1 June 2015
  • Revised 20 July 2015

DOI:https://doi.org/10.1103/PhysRevC.92.025204

©2015 American Physical Society

Authors & Affiliations

S. M. Sanches, Jr., D. A. Fogaça, F. S. Navarra, and H. Marrochio

  • Instituto de Física, Universidade de São Paulo Rua do Matão Travessa R, 187, 05508-090, São Paulo, SP, Brazil

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Vol. 92, Iss. 2 — August 2015

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