Five dimensional SUSY field theories, non-trivial fixed points and string dynamics

被引:486
作者
Seiberg, N
机构
[1] Department of Physics and Astronomy, Rutgers University, Piscataway
关键词
D O I
10.1016/S0370-2693(96)01215-4
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We study (non-renormalizable) five dimensional supersymmetric field theories. The theories are parametrized by quark masses and a gauge coupling. We derive the metric on the Coulomb branch exactly. We use stringy considerations to learn about new non-trivial interacting field theories with exceptional global symmetry E(n) (E(8), E(7), E(6), E(5) = Spin(10), E(4) = SU(5), E(3) = SU(3) x SU(2), E(2) = SU(2) x U(1) and E(1) = SU(2)). Their Coulomb branch is R(+) and their Higgs branch is isomorphic to the moduli space of E, instantons. One of the relevant operators of these theories leads to a flow to SU(2) gauge theories with N-f = n - 1 flavors. In terms of these SU(2) IR theories this relevant parameter is the inverse gauge coupling constant. Other relevant operators (which become quark masses after flowing to the SU(2) theories) lead to flows between them. Upon further compactifications to four and three dimensions we find new fixed points with exceptional symmetries.
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页码:753 / 760
页数:8
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