Improved AdS/QCD Model with Matter

Details Improved AdS/QCD Model with Matter Improved AdS/QCD Model with Matter

2010-09-22

arxiv.org/abs/1009.4428v2

Phys.Rev.D83:055016,2011

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

10.1103/PhysRevD.83.055016

We study an improved AdS/QCD model at finite temperature and chemical potential. An Ansatz for the beta-function for the boundary theory allows for the derivation of a charged dilatonic black hole in bulk. The solution is asymptotically RN-AdS in the UV and AdS2 * R3 in the IR. We discuss the thermodynamical aspects of the solution. The fermionic susceptibilities are shown to deviate from the free fermionic limits at asymptotic temperatures despite the asymptotically free nature of the gauge coupling at the boundary. The Polyakov line, the temporal and spatial string tensions dependence on both temperature and chemical potential are also discussed.

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