Exact lattice supersymmetry at the quantum level for \(N=2\) Wess-Zumino models in 1- and 2-dimensions
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Publication:2827317
DOI10.1142/S0217751X16501256zbMATH Open1347.81066arXiv1607.04371OpenAlexW2285275383MaRDI QIDQ2827317
Author name not available (Why is that?)
Publication date: 19 October 2016
Published in: (Search for Journal in Brave)
Abstract: Supersymmetric lattice Ward-Takahashi identities are investigated perturbatively up to two-loop corrections for super doubler approach of lattice Wess-Zumino models in 1- and 2-dimensions. In this approach notorious chiral fermion doublers are treated as physical particles and momentum conservation is modified in such a way that lattice Leibniz rule is satisfied. The two major difficulties to keep exact lattice supersymmetry are overcome. This formulation defines, however, nonlocal field theory. Nevertheless we confirm that exact supersymmetry on the lattice is realized for all supercharges at the quantum level. Delicate issues of associativity are also discussed.
Full work available at URL: https://arxiv.org/abs/1607.04371
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