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Title:Aspects of Chiral Symmetry Breaking in Gauge Field Theories
Author(s):Kocić, Aleksandar
Doctoral Committee Chair(s):Kogut, John,
Department / Program:Physics
Degree Granting Institution:University of Illinois at Urbana-Champaign
Subject(s):Physics, Elementary Particles and High Energy
Abstract:In this thesis we study the mechanisms of spontaneous chiral symmetry breaking in gauge field theories. We focus on the general relationship between dynamical mass generation and the formation of bound states in theories not having elementary scalars. In that context we demonstrate that the fermion-pair condensate offers a good qualitative description of the vacuum in the strong coupling regime of chiral theories. We analyze three types of interaction: short-range, confining and long-range unconfining, and show that three different mechanisms cause the condensation. The analysis is extended to finite temperatures and densities where we study chiral symmetry restoration. Finally, we investigate the interplay between chiral symmetry, supersymmetry and finite temperature effects in a supersymmetric extension of QED in three dimensions.
Issue Date:1987
Description:79 p.
Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1987.
Other Identifier(s):(UMI)AAI8803092
Date Available in IDEALS:2015-05-13
Date Deposited:1987

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