Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-12-30
Phys.Rev. D49 (1994) 6810-6821
Physics
High Energy Physics
High Energy Physics - Phenomenology
15 pages, HU-TFT-94-01
Scientific paper
10.1103/PhysRevD.49.6810
Abst\-ract: A hierarchy of effective three-dimensional theories of finite temperature electroweak matter is studied. First an integration over non-static modes leads to an effective theory containing a gauge field $A_{i}^{a}$, an adjoint Higgs field $A_{0}^a$ and the fundamental Higgs field $\phi_{\alpha}$. We carry out the integration in the 1-loop approximation, study renormalisation effects and estimate quantitatively those terms of the effective action which are suppressed by inverse powers of the temperature. Secondly, because of the existence of well-separated thermal mass scales, $A_{0}^a$ can be integrated over, and finally also $\phi_{\alpha}$, leaving an effective theory of the $A_{i}^{a}$.In the analysis of the subsequent models particular attention is paid to the screening of the magnetic fluctuations due to the integrated-out degrees of freedom. Files of 2 Tables and 4 Figures are available in (la)tex-format upon request
Jakovac Antal
Kajantie K.
Patkos Andras
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