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

Abstract

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.

15 pages, 4 figures; v3: Error in the expansions and figures of section 4 corrected, new comment and figure on the extension to finite quark mass, cites added and typos fixed

References in corpus (3)

• Energy loss of a heavy quark moving through N=4 supersymmetric Yang-Mills plasma
• On jet quenching parameters in strongly coupled non-conformal gauge theories
• Higher derivative corrections to near-extremal black holes in type IIB supergravity

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