Supersymmetry on the noncommutative lattice

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Published 25 February 2003 Published under licence by IOP Publishing Ltd
, , Citation Jun Nishimura et al JHEP02(2003)032 DOI 10.1088/1126-6708/2003/02/032

1126-6708/2003/02/032

Abstract

Built upon the proposal of Kaplan et al. \heplat{0206109}, we construct noncommutative lattice gauge theory with manifest supersymmetry. We show that such theory is naturally implementable via orbifold conditions generalizing those used by Kaplan et al. We present the prescription in detail and illustrate it for noncommutative gauge theories latticized partially in two dimensions. We point out a deformation freedom in the defining theory by a complex-parameter, reminiscent of discrete torsion in string theory. We show that, in the continuum limit, the supersymmetry is enhanced only at a particular value of the deformation parameter, determined solely by the size of the noncommutativity.

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10.1088/1126-6708/2003/02/032