Branes, Superpotentials and Superconformal Fixed Points

Details Branes, Superpotentials and Superconformal Fixed Points Branes, Superpotentials and Superconformal Fixed Points

1997-04-24

arxiv.org/abs/hep-th/9704170v1

Nucl.Phys.B504:239-271,1997

Physics

High Energy Physics

High Energy Physics - Theory

41 pages, 14 figures, harvmac big

Scientific paper

10.1016/S0550-3213(97)00472-0

We analyze various brane configurations corresponding to field theories in three, four and five dimensions. We find brane configurations which correspond to three dimensional N=2 and four dimensional N=1 supersymmetric QCD theories with quartic superpotentials, in which what appear to be ``hidden parameters'' play an important role. We discuss the construction of five dimensional N=1 supersymmetric gauge theories and superconformal fixed points using branes, which leads to new five dimensional N=1 superconformal field theories. The same five dimensional theories are also used, in a surprising way, to describe new superconformal fixed points of three dimensional N=2 supersymmetric theories, which have both ``electric'' and ``magnetic'' Coulomb branches.

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