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

Energy and pressure densities of a hot quark-gluon plasma.

We calculate the energy and hydrostatic pressure densities of a hot quark-gluon plasma in thermal equilibrium through diagrammatic analyses of the statistical average, h i, of the energy-momentum-tensor operator . To leading order at high temperature, the energy density of the long wave length modes is consistently extracted by applying the hard-thermal-loop resummation scheme to the operatorin...

The Energy of the High-temperature Quark-gluon Plasma

For the quark-gluon plasma, an energy-momentum tensor is found corresponding to the high-temperature Braaten-Pisarski effective action. The tensor is found by considering the interaction of the plasma with a weak gravitational field and the positivity of the energy is studied. In addition, the complete effective action in curved spacetime is written down. 1 Introduction The high-temperature pro...

ar X iv : n uc l - th / 9 50 30 03 v 2 8 M ar 1 99 5 Hot gluon propagator 1

One of the recently most developing fields of high energy heavy ion physics is the study of the underlying field theory at high temperatures. Despite of the naive picture of the quark gluon plasma as an ideal gas of quarks and gluons stemming from a given interpretation of early lattice gauge theory simulations it is since long clear that the continuum theory is plagued by serious infrared dive...

Hard thermal loops, gauged WZNW action, and the energy of hot quark-gluon plasma.

6 v 1 2 3 Ju l 1 99 3 CU - TP - 601 June 1993 Hard Thermal Loops , Gauged WZNW - Action and the Energy of Hot Quark - Gluon Plasma

The generating functional for hard thermal loops in Quantum Chromodynamics is rewritten in terms of a gauged Wess-Zumino-Novikov-Witten action by introducing an auxiliary field. This shows in a simple way that the contribution of hard thermal loops to the energy of the quark-gluon plasma is positive.