Non-Perturbative Dynamics in Supersymmetric Gauge Theories

Abstract

I give an introductory review of recent, fascinating developments in supersymmetric gauge theories. I explain pedagogically the miraculous properties of supersymmetric gauge dynamics allowing one to obtain exact solutions in many instances. Various dynamical regimes emerging in supersymmetric Quantum Chromodynamics and its generalizations are discussed. I emphasize those features that have a chance of survival in QCD and those which are drastically different in supersymmetric and non-supersymmetric gauge theories. Unlike most of the recent reviews focusing almost entirely on the progress in extended supersymmetries (the Seiberg-Witten solution of N=2 models), these lectures are mainly devoted to N=1 theories. The primary task is extracting lessons for non-supersymmetric theories.

121 pages, LATEX, epsfig, 4 figures. Several typos corrected and references added. Extended version of lectures given at International School of Physics "Enrico Fermi", Varenna, Italy, July 3-6, 1995; Institute of Nuclear Science, UNAM, Mexico, April 11-17, 1996, and Summer School in High-Energy Physics and Cosmology, 10 - 26 July, 1996, ICTP, Triest, Italy

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