Abstract
Following a recent proposal,
we employ the AdS/CFT correspondence to compute the jet quenching
parameter for 
= 4 Yang-Mills theory at nonzero R-charge
densities. Using as dual supergravity backgrounds non-extremal
rotating branes, we find that the presence of the R-charges
generically enhances the jet quenching phenomenon. However, at
fixed temperature, this enhancement might or might not be a
monotonically increasing function of the R-charge density and
depends on the number of independent angular momenta describing
the solution. We perform our analysis for the canonical as well as
for the grand canonical ensemble which give qualitatively similar
results.
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