Non-abelian gauge couplings in thermal gauge field theories

Hisao Nakkagawa

Physica A: Statistical Mechanics and its Applications, 1989, vol. 158, issue 1, 235-245

Abstract: Properties of the effective gauge couplings renormalized at finite temperature and density in thermal non-abelian gauge field theories are studied within one-loop approximations. Strong and severe vertex dependence is shown to come out both in the temperature and chemical potential dependences. Difficulties appearing in the perturbative calculation of physical quantities, indicated by the above disaster, are discussed. Also discussed is what insight might be gained from the present analysis into the “magnetic” screening of effective charge.

Date: 1989
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:158:y:1989:i:1:p:235-245

DOI: 10.1016/0378-4371(89)90524-4

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