A Refined Holographic QCD Model and QCD Phase Structure

Abstract

We consider the Einstein-Maxwell-dilaton system with an arbitrary kinetic gauge function and a dilaton potential. A family of analytic solutions is obtained by the potential reconstruction method. We then study its holographic dual QCD model. The kinetic gauge function can be fixed by requesting the linear Regge spectrum of mesons. We calculate the free energy to obtain the phase diagram of the holographic QCD model.

21 pages, 17 figures. arXiv admin note: substantial text overlap with arXiv:1301.0385

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