Renormalization of nonequilibrium dynamics at large N and finite temperature

Details Renormalization of nonequilibrium dynamics at large N and finite temperature Renormalization of nonequilibrium dynamics at large N and finite temperature

1997-12-23

arxiv.org/abs/hep-ph/9712506v1

Phys.Rev. D57 (1998) 6406-6419

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, LaTeX, 12 Figures as ps-files

Scientific paper

10.1103/PhysRevD.57.6406

We generalize a previously proposed renormalization and computation scheme for nonequilibrium dynamics to include finite temperature and one-loop selfconsistency as arising in the large-N limit. Since such a scheme amounts essentially to tadpole summation, it also includes, at high temperature, the hard mass corrections proportional to T^2. We present some numerical examples at T=0 and at finite temperature; the results reproduce the essential features of other groups. Especially, we can confirm a recently discovered sum rule for the late time behaviour.

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