Holographic calculation of the QCD crossover temperature in a magnetic field

Romulo Rougemont, Renato Critelli, and Jorge Noronha
Phys. Rev. D 93, 045013 – Published 10 February 2016

Abstract

Lattice data for the QCD equation of state and the magnetic susceptibility computed near the crossover transition at zero magnetic field are used to determine the input parameters of a five-dimensional Einstein-Maxwell-dilaton holographic model. Once the model parameters are fixed at zero magnetic field, one can use this holographic construction to study the effects of a magnetic field on the equilibrium and transport properties of the quark-gluon plasma. In this paper, we use this model to study the dependence of the crossover temperature with an external magnetic field. Our results for the pressure of the plasma and the crossover temperature are in quantitative agreement with current lattice data for values of the magnetic field 0eB0.3GeV2, which is the relevant range for ultrarelativistic heavy ion collision applications.

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  • Received 11 November 2015

DOI:https://doi.org/10.1103/PhysRevD.93.045013

© 2016 American Physical Society

Physics Subject Headings (PhySH)

Particles & Fields

Authors & Affiliations

Romulo Rougemont* and Renato Critelli

  • Instituto de Física, Universidade de São Paulo, C.P. 66318, 05315-970, São Paulo, São Paulo, Brazil

Jorge Noronha

  • Instituto de Física, Universidade de São Paulo, C.P. 66318, 05315-970, São Paulo, São Paulo, Brazil and Department of Physics, Columbia University, 538 West 120th Street, New York, New York 10027, USA

  • *romulo@if.usp.br
  • renato.critelli@usp.br
  • noronha@if.usp.br

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Issue

Vol. 93, Iss. 4 — 15 February 2016

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