Charge effect and finite 't Hooft coupling correction on drag force and Jet Quenching Parameter

Details Charge effect and finite 't Hooft coupling correction on drag force and Jet Quenching Parameter Charge effect and finite 't Hooft coupling correction on drag force and Jet Quenching Parameter

2008-09-08

arxiv.org/abs/0809.1336v3

Physics

High Energy Physics

High Energy Physics - Theory

13 pages. 2 new figures,major corrections

Scientific paper

The effects of charge and finite 't Hooft coupling correction on drag force and jet quenching parameter are investigated. To study charge effect and finite 't Hooft coupling correction, we consider Maxwell charge and Gauss-Bonnet terms, respectively. The background is Reissner-Nordstr\"{o}m-AdS black brane solution in Gauss-Bonnet gravity. It is shown that these corrections affect drag force and jet quenching parameter. We find an analytic solution of drag force in this background which depends on Gauss-Bonnet coupling and charge. We set Gauss-Bonnet coupling to be zero and find drag force in the case of Reissner-Nordstr\"{o}m-AdS background. Also we discuss the relaxation time of a moving heavy quark in this gravity background.

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