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The impact of momentum anisotropy on the heavy quark transport coefficientsdue to collisional and radiative processes in the QCD medium has been studiedwithin the ambit of kinetic theory. Anisotropic aspects (momentum) areincorporated into the heavy quark dynamics through the non-equilibrium momentumdistribution function of quarks, antiquarks, and gluons. These non-equilibriumdistribution functions that encode the physics of momentum anisotropy andturbulent chromo-fields have been obtained by solving the ensemble-averageddiffusive Vlasov-Boltzmann equation. The momentum dependence of heavy quarktransport coefficients in the medium is seen to be sensitive to the strength ofthe anisotropy for both collisional and radiative processes. In addition, thecollisional and radiative energy loss of the heavy quark in the anisotropic hotQCD medium have been analyzed. The effects of anisotropy on the drag anddiffusion coefficients are observed to have a visible impact on the nuclearsuppression factor both at the RHIC and LHC.

Heavy quark transport in an anisotropic hot QCD medium: Collisional and Radiative processes