Screening of static electromagnetic fields in hot QED plasmas
- Service de Physique Theorique, CE-Saclay, 91191 Gif-sur-Yvette (France)
- Division de Physique Theorique, I.P.N.-Orsay, 91406 Orsay (France)
- Institute of Physics, Bhubaneswar 751005 (India)
We study the screening of static magnetic and electric fields in massless quantum electrodynamics (QED) and massless electrodynamics (SQED) at temperature {ital T}. Various exact relations for the static polarization tensor are first reviewed and then verified perturbatively to fifth order (in the coupling) in QED and fourth order in SQED, using different resummation techniques. The magnetic and electric screening masses squared, as defined through the pole of the static propagators, are also calculated to fifth order in QED and fourth order in SQED, and their gauge independence and renormalizaiton-group invariance are checked. Finally, we provide arguments for the absence of magnetic screening to all orders in perturbation theory.
- OSTI ID:
- 113027
- Journal Information:
- Physical Review, D, Journal Name: Physical Review, D Journal Issue: 4 Vol. 52; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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