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1987 Aleksandar Kocić Kogut, John B. Kocić, Aleksandar 2011-06-20T13:28:53Z 2011-06-20T13:28:53Z 10000-01-01 1987 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. Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-20T13:28:53Z No. of bitstreams: 1 1987_kocic.pdf: 2338735 bytes, checksum: 08703115345f202228e187785c0312ec (MD5) Made available in DSpace on 2011-06-20T13:28:53Z (GMT). No. of bitstreams: 1 1987_kocic.pdf: 2338735 bytes, checksum: 08703115345f202228e187785c0312ec (MD5) Previous issue date: 1987 Restriction data tranferred 2014-07-01T11:09:10-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-06-20T13:28:54Z Item is restricted indefinitely. Thesis U of I Only 2253080 http://hdl.handle.net/2142/25442 en chiral symmetry breaking gauge field theories dynamical mass generation bound state formation Aspects of chiral symmetry breaking in gauge field theories Dissertation / Thesis text Physics Physics University of Illinois at Urbana-Champaign Dissertation Ph.D.