Density Dependence of Transport Coefficients from Holographic Hydrodynamics

Details Density Dependence of Transport Coefficients from Holographic Hydrodynamics Density Dependence of Transport Coefficients from Holographic Hydrodynamics

2008-06-27

arxiv.org/abs/0806.4460v2

Prog.Theor.Phys.120:833-863,2008

Physics

High Energy Physics

High Energy Physics - Theory

LaTeX, 1+33 pages, 6 figures, references added

Scientific paper

10.1143/PTP.120.833

We study the transport coefficients of Quark-Gluon-Plasma in finite temperature and finite baryon density. We use AdS/QCD of charged AdS black hole background with bulk-filling branes identifying the U(1) charge as the baryon number. We calculate the diffusion constant, the shear viscosity and the thermal conductivity to plot their density and temperature dependences. Hydrodynamic relations between those are shown to hold exactly. The diffusion constant and the shear viscosity are decreasing as a function of density for fixed total energy. For fixed temperature, the fluid becomes less diffusible and more viscous for larger baryon density.

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