Jet suppression in non-conformal plasma using AdS/CFT
arXiv:1812.09374 · doi:10.1007/JHEP03(2019)045
Abstract
In this paper, we study suppression of light quark in strongly coupled non-conformal plasmas using the AdS/CFT correspondence. The well-known falling string profile in the bulk is considered as light quark moving through the plasma. The maximum distance which string with energy E can travel before falling through the horizon is interpreted as thermalization distance of light quark in the hot-strongly coupled plasma. Our numerical results show that the thermalization distance of light quark increases by increasing deviation from conformal invariance. The relation between this distance and the energy of quark and the temperature of the plasma is analyzed numerically. The jet quenching parameter is also calculated in the non-conformal backgrounds and it is found that the jet quenching parameter is generally decreased by increasing the non-conformality. Our results are compared with the results of N = 4 SYM theory and also some available experimental data.
24 pages, 8 figures
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