Assessing the accuracy of projected entangled-pair states on infinite lattices

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Published 11 September 2009 IOP Publishing Ltd
, , Citation B Bauer et al J. Stat. Mech. (2009) P09006 DOI 10.1088/1742-5468/2009/09/P09006

1742-5468/2009/09/P09006

Abstract

Generalizations of the density matrix renormalization group method have long been sought after. In this paper, we assess the accuracy of projected entangled-pair states on infinite lattices by comparing with quantum Monte Carlo results for several non-frustrated spin- systems. Furthermore, we apply the method to a frustrated quantum system.

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10.1088/1742-5468/2009/09/P09006