Thermal phase transition in a QCD-like holographic model

Nick Evans and Ed Threlfall
Phys. Rev. D 78, 105020 – Published 20 November 2008

Abstract

We investigate the high-temperature phase of a dilaton flow deformation of the anti-de Sitter/conformal field theory correspondence. We argue that these geometries should be interpreted as the N=4 gauge theory perturbed by a SO(6) invariant scalar mass and that the high-temperature phase is just the well-known anti-de Sitter-Schwarzschild solution. We compute, within supergravity, the resulting Hawking-Page phase transition, which in this model can be interpreted as a deconfining transition in which the vacuum expectation value for the operator TrF2 dissolves. In the presence of quarks the model also displays a simultaneous chiral symmetry restoring transition with the Goldstone mode and other quark bound states dissolving into the thermal bath.

  • Figure
  • Received 10 July 2008

DOI:https://doi.org/10.1103/PhysRevD.78.105020

©2008 American Physical Society

Authors & Affiliations

Nick Evans* and Ed Threlfall

  • School of Physics and Astronomy, University of Southampton, Southampton, SO17 1BJ, UK

  • *evans@phys.soton.ac.uk
  • ejt@phys.soton.ac.uk

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Issue

Vol. 78, Iss. 10 — 15 November 2008

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