Vacuum polarization at finite temperature and density in QED

Journal Article · Wed May 01 00:00:00 EDT 1991 · Annals of Physics (New York); (United States)

DOI:https://doi.org/10.1016/0003-4916(91)90066-H· OSTI ID:5672161

Ahmed, K; Masood, S S ^[1]

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1. Quaid-i-Azam Univ. Islamabad (Pakistan)

The authors calculate to first order in {alpha}, finite temperature and density (FTD) corrections to vacuum polarization in the framework of QED. The limiting values of the vacuum polarization tensor when the temperature of the heat bath T is sufficiently high are subject to physical interpretation and compared to the previously existing works. The FTD corrections to the electric permittivity, the magnetic permeability of the medium, the anomalous magnetic moment of the electron, the charge renormalization constant Z{sub 3}, and the running coupling constant are also calculated and comparison with the previous work furnished wherever possible.

• OSTI ID: 5672161
• Journal Information: Annals of Physics (New York); (United States), Vol. 207:2; ISSN 0003-4916
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
QUANTUM ELECTRODYNAMICS
VACUUM POLARIZATION
CHARGE RENORMALIZATION
COMPARATIVE EVALUATIONS
COUPLING CONSTANTS
ELECTRONS
MAGNETIC MOMENTS
RADIATIVE CORRECTIONS
CORRECTIONS
ELECTRODYNAMICS
ELEMENTARY PARTICLES
EVALUATION
FERMIONS
FIELD THEORIES
LEPTONS
QUANTUM FIELD THEORY
RENORMALIZATION
662220* - Quantum Electrodynamics- (1992-)