Factorization of finite temperature graphs in thermal QED

Details Factorization of finite temperature graphs in thermal QED Factorization of finite temperature graphs in thermal QED

2006-01-30

arxiv.org/abs/hep-th/0601227v1

Phys.Rev.D73:067702,2006

Physics

High Energy Physics

High Energy Physics - Theory

4 pages

Scientific paper

10.1103/PhysRevD.73.067702

We extend our previous analysis of gauge and Dirac fields in the presence of a chemical potential. We consider an alternate thermal operator which relates in a simple way the Feynman graphs in QED at finite temperature and charge density to those at zero temperature but non-zero chemical potential. Several interesting features of such a factorization are discussed in the context of the thermal photon and fermion self-energies.

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