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.
Cite
@article{arxiv.hep-ph/0606245,
title = {Jet quenching at finite `t Hooft coupling and chemical potential from AdS/CFT},
author = {Nestor Armesto and Jose D. Edelstein and Javier Mas},
journal= {arXiv preprint arXiv:hep-ph/0606245},
year = {2009}
}
Comments
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