paper

Baryon number current in holographic noncommutative QCD

arXiv:1702.06989 · doi:10.1103/PhysRevD.96.046018

Abstract

We consider the noncommutative deformation of the finite temperature holographic QCD (Sakai--Sugimoto) model in external electric and magnetic field and evaluate the effect of the noncommutaivity on the properties of the conductor-insulator phase transition associated with a baryon number current. Although the noncommutative deformation of the gauge theory does not change the phase structure with respect to the baryon number current, the transition temperature , the transition electric field and magnetic field in the conductor-insurator phase transition depend on the noncommutativity parameter . Namely, the noncommutativity of space coordinates has an influence on the shape of the phase diagram for the conductor-insurator phase transition. On the other hand, the allowed range of the noncommutativity parameter can be restricted by the reality condition of the constants of motion.

25 pages, 8 figures. arXiv admin note: text overlap with arXiv:1310.0393, arXiv:1011.2906

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