Nonequilibrium chiral perturbation theory

Details Nonequilibrium chiral perturbation theory Nonequilibrium chiral perturbation theory

1999-02-15

arxiv.org/abs/hep-ph/9902344v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages Latex, Proceedings of "Strong and Electroweak Matter 98", Nordita (Copenhaguen) 2-5 Dec.1998

Scientific paper

We explore the extension of chiral perturbation theory out of thermal equilibrium. The pion decay constant becomes then a time-dependent function and we work within the Schwinger-Keldysh contour technique. A useful connection with curved space-time QFT allows to renormalise the model. We discuss the applicability of our approach within a relativistic heavy-ion collision environment.

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