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Abstract: We calculate the dimension two gluon condensate contribution to quark, gluon and ghost propagators at finite temperature. [Copyright &y& Elsevier]

Abstract: In HTL perturbation theory we obtain leading order quark number susceptibility as a response to an external disturbance, viz., chemical potential (μ) that generates density fluctuation, which is related to the correlation function through the thermodynamic sum rule associated with the symmetry of the system. We also obtain various thermodynamic quantities in leading order. [Copyright &y& Elsevier]

Abstract: We obtain the radiative energy loss of a heavy quark in a deconfined medium due to radiation of gluons off them using a recently derived generalised gluon emission spectrum. We find that the heavy flavour loses energy almost in a similar fashion like light quarks through this process. With this, we further analyse the nuclear modification factor for D-meson at LHC and RHIC energies. In particular, the obtained result is found to be in close agreement with the most recent data from ALICE collaboration at 2.76 ATeV Pb–Pb collisions. We also discuss the nuclear modification factor due to the collisional energy loss. Furthermore, the result of non-photonic single electron from the decay of both D- and B-mesons is compared with the RHIC data at 200 AGeV Au–Au collisions, which is also in close agreement. [Copyright &y& Elsevier]