Quantum Field Kinetics

Details Quantum Field Kinetics Quantum Field Kinetics

1994-12-22

arxiv.org/abs/hep-ph/9412362v1

Phys.Rev.C51:3454-3464,1995

Physics

High Energy Physics

High Energy Physics - Phenomenology

13 pages, REVTeX, 2 postscript figures appended

Scientific paper

10.1103/PhysRevC.51.3454

Using the general framework of quantum field theory, we derive basic equations of quantum field kinetics. The main goal of this approach is to compute the observables associated with a quark-gluon plasma at different stages of its evolution. We start by rewriting the integral equations for the field correlators in different forms, depending on the relevant dynamical features at each different stage. Next, two versions of perturbation expansion are considered. The first is best suited for the calculation of electromagnetic emission from chaotic, but not equilibrated, strongly interacting matter. The second version allows one to derive evolution equations, which are generalizations of the familiar QCD evolution equations, and provide a basis for the calculation of the initial quark and gluon distributions after the first hard interaction of the heavy ions.

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