Factorization of soft and collinear divergences in non-equilibrium quantum field theory

Proof of factorization of soft and collinear divergences in non-equilibrium QCD may be necessary to study hadronic signatures of quark–gluon plasma at RHIC and LHC. In this paper we prove factorization of soft and collinear divergences in non-equilibrium QED by using Schwinger–Keldysh closed-time pa...

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Bibliographic Details
Published in:Annals of physics 2009-12, Vol.324 (12), p.2579-2585
Main Author: Nayak, Gouranga C.
Format: Article
Language:English
Subjects:
BROOKHAVEN RHIC
CERN LHC
FACTORIZATION
HADRONS
Particle physics
PATH INTEGRALS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Plasma
QUANTUM CHROMODYNAMICS
QUANTUM ELECTRODYNAMICS
Quantum theory
QUARK MATTER
Quarks
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Summary:Proof of factorization of soft and collinear divergences in non-equilibrium QCD may be necessary to study hadronic signatures of quark–gluon plasma at RHIC and LHC. In this paper we prove factorization of soft and collinear divergences in non-equilibrium QED by using Schwinger–Keldysh closed-time path integral formalism in the background field method in pure gauge.
ISSN:0003-4916
1096-035X
DOI:10.1016/j.aop.2009.09.008