Speaker
Adrian Dumitru
(Dept. of Natural Sciences, Baruch College (CUNY))
Description
Non-equilibrium corrections in a hot and dense QCD medium modify the ``hard thermal loops'' (HTL) which determine the resummed propagators for gluons with soft momenta as well as the Debye screening and Landau damping mass scales. We compute bulk viscous corrections to a thermal as well as to a non-thermal fixed point. The screening and damping mass scales are sensitive to the bulk pressure and perhaps to (pseudo-) critical dynamical scaling of the bulk viscosity in the vicinity of a second-order critical point. This should affect the properties of quarkonium bound states in the deconfined phase and the dynamics of soft gluon fields.
Summary
Bulk viscous non-equilibrium corrections to Hard Thermal Loops
Author
Adrian Dumitru
(Dept. of Natural Sciences, Baruch College (CUNY))
