Hard Thermal Loops, Weak Gravitational Fields and The Quark Gluon Energy Momentum Tensor

Details Hard Thermal Loops, Weak Gravitational Fields and The Quark Gluon Energy Momentum Tensor Hard Thermal Loops, Weak Gravitational Fields and The Quark Gluon Energy Momentum Tensor

1994-09-13

arxiv.org/abs/hep-th/9409073v1

Nucl.Phys. B442 (1995) 268-300

Physics

High Energy Physics

High Energy Physics - Theory

26, DAMTP 94-74

Scientific paper

10.1016/0550-3213(95)00048-8

We use an auxiliary field construction to discuss the hard thermal loop effective action associated with massless thermal SU(N) QCD interacting with a weak gravitational field. It is demonstrated that the previous attempt to derive this effective action has only been partially successful and that it is presently only known to first order in the graviton coupling constant. This is still sufficient to enable a calculation of a symmetric traceless quark gluon plasma energy momentum tensor. Finally, we comment on the conserved currents and charges of the derived energy momentum tensor.

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