Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2004-09-17
Physics
High Energy Physics
High Energy Physics - Lattice
3 pages, 1 figure, presented at Lattice04(Theory)
Scientific paper
10.1016/j.nuclphysbps.2004.11.32
We present preliminary numerical results from a lattice study of the two-dimensional O(3) non-linear sigma model. In the continuum this model possesses N=2 supersymmetry. The lattice formulation we use retains an exact (twisted) supersymmetry except for a soft breaking associated with a Wilson mass term needed to remove the doubles. Our numerical results show that the partition function is independent of coupling as predicted by supersymmetry.
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