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 α' 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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