Symmetry and scaling in the Q-exact lattice (2,2) 2d Wess-Zumino model

Details Symmetry and scaling in the Q-exact lattice (2,2) 2d Wess-Zumino model Symmetry and scaling in the Q-exact lattice (2,2) 2d Wess-Zumino model

2005-08-19

arxiv.org/abs/hep-lat/0508017v1

PoS LAT2005 (2005) 270

Physics

High Energy Physics

High Energy Physics - Lattice

5 pages, to appear in proceedings of XXIIIrd International Symposium on Lattice Field Theory, 25-30 July 2005, Trinity College

Scientific paper

As a nonperturbative check on the Q-exact lattice formulation, we demonstrate that the continuum R-symmetries are recovered. We locate the critical domain of the lattice theory. Aspects of the continuum nonrenormalization theorems are found to be respected at finite lattice spacing. Preliminary attempts to extract critical exponents--another nonperturbative check--are discussed. All of our results are obtained from Monte Carlo simulations with dynamical fermions.

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