Jet quenching at finite `t Hooft coupling and chemical potential from AdS/CFT

Details Jet quenching at finite `t Hooft coupling and chemical potential from AdS/CFT Jet quenching at finite `t Hooft coupling and chemical potential from AdS/CFT

2006-06-22

arxiv.org/abs/hep-ph/0606245v3

JHEP 0609 (2006) 039

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 4 figures; v3: Error in the expansions and figures of section 4 corrected, new comment and figure on the extension t

Scientific paper

10.1088/1126-6708/2006/09/039

Following the nonperturbative prescription for the jet quenching parameter recently proposed by Liu, Rajagopal and Wiedemann, we compute the first correction in the inverse `t Hooft coupling corresponding to string alpha' corrections in the dual background. We also consider the introduction of a chemical potential for the U(1)^3 gauged R-symmetry. While the former mildly diminishes the jet quenching parameter -this suggesting a smooth interpolation between the strong coupling and perturbative results-, the latter generically increases its value. We comment on the extension of this setup to quarks of finite mass.

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