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Chiral projected entangled-pair state with topological order (1411.6618v1)
Published 24 Nov 2014 in cond-mat.str-el and quant-ph
Abstract: We show that projected entangled-pair states (PEPS) can describe chiral topologically ordered phases. For that, we construct a simple PEPS for spin-1/2 particles in a two-dimensional lattice. We reveal a symmetry in the local projector of the PEPS that gives rise to the global topological character. We also extract characteristic quantities of the edge conformal field theory using the bulk-boundary correspondence.
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