Assessing the accuracy of projected entangled-pair states on infinite lattices
Bela Bauer, Guifre Vidal, Matthias Troyer
TL;DR
This paper evaluates the accuracy of projected entangled-pair states (PEPS) on infinite lattices by comparing with Quantum Monte Carlo results and applies the method to a frustrated quantum system.
Contribution
It provides a systematic assessment of PEPS accuracy on infinite lattices and demonstrates its application to frustrated quantum systems.
Findings
PEPS shows good agreement with Quantum Monte Carlo for non-frustrated systems.
The method can be effectively applied to frustrated quantum systems.
The study advances understanding of PEPS accuracy on infinite lattices.
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.
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