Complete supersymmetry on the lattice and a No-Go theorem: A simulation with intact supersymmetries on the lattice

Abstract

In this work a lattice formulation of a supersymmetric theory is proposed and tested that preserves the complete supersymmetry on the lattice. The results of a one-dimensional nonperturbative simulation show the realization of the full supersymmetry and the correct continuum limit of the theory. It is proven that the violation of supersymmetry due to the absence of the Leibniz rule on the lattice can be amended only with a nonlocal derivative and nonlocal interaction term. The fermion doubling problem is also discussed, which leads to another important source of supersymmetry breaking on the lattice. This problem is also solved with a nonlocal realization.

31 pages, 5 figures; mass data and references corrected,

References in corpus (7)

• Deconstruction and other approaches to supersymmetric lattice field theories
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• Two-Dimensional Wess-Zumino Models at Intermediate Couplings
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• Taming the Leibniz Rule on the Lattice
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