Supersymmetry breaking on the lattice: the N=1 Wess-Zumino model

Details Supersymmetry breaking on the lattice: the N=1 Wess-Zumino model Supersymmetry breaking on the lattice: the N=1 Wess-Zumino model

2011-11-25

arxiv.org/abs/1111.6042v1

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 4 figures, proceedings of the XXIX International Symposium on Lattice Field Theory - Lattice 2011, July 10-16, 2011,

Scientific paper

We discuss spontaneous supersymmetry breaking in the N=1 Wess-Zumino model in two dimensions on the lattice using Wilson fermions and the fermion loop formulation. In that formulation the fermion sign problem related to the vanishing of the Witten index can be circumvented and the model can be simulated very efficiently using the recently introduced open fermion string algorithm. We present first results for the supersymmetry breaking phase transition and sketch the preliminary determination of a renormalised critical coupling in the continuum limit.

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