Assessing the accuracy of projected entangled-pair states on infinite lattices
arXiv:0905.4880 · doi:10.1088/1742-5468/2009/09/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-1/2 systems. Furthermore, we apply the method to a frustrated quantum system.
18 pages, 12 figures. Revised version with clarifications and additional discussion. Accepted for publication in Journal of Statistical Mechanics: Theory and Experiment