paper

Vacuum polarization in thermal QED with an external magnetic field

arXiv:hep-th/0009204 · doi:10.1103/PhysRevD.63.073010

Abstract

The one-loop vacuum polarization tensor is computed in QED with an external constant, homogeneous magnetic field at finite temperature. The Schwinger proper-time formalism is used and the computations are done in Euclidian space. The well-known results are recovered when the temperature and/or the magnetic field are switched off and the effect of the magnetic field on the Debye screening is discussed.

12 pages, published version

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