Messages for QCD from the Superworld
Open Access
- 1 January 1998
- journal article
- Published by Oxford University Press (OUP) in Progress of Theoretical Physics Supplement
- Vol. 131, 439-458
- https://doi.org/10.1143/ptps.131.439
Abstract
Recent discoveries in supersymmetric gauge theories have significant implications for our understanding for QCD and of field theory in general. The phases of N = 1 supersymmetric QCD (SQCD) are discussed, and the possibility of similar phases in non-supersymmetric QCD is emphasized. It is described how duality in SQCD links many previously known duality transformations that were thought to be distinct, including Olive-Montonen duality of N = 4 supersymmetric gauge theory and quark-hadron duality in (S)QCD. A link between Olive-Montonen duality and the confining strings of (S)QCD is explained, in which a picture of confinement via non-abelian monopole condensation — a generalized dual Meissner effect — emerges explicitly. In this picture, unlike previous ones, the confining flux tubes carry the correct ZN discrete charges. A number of studies of these subjects, which could be carried out using lattice gauge theory, are proposed.Keywords
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