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Geometric entanglement and quantum phase transitions in two-dimensional quantum lattice models

Shi, Qian-Qian; Wang, Hong-Lei; Li, Sheng-Hao; Cho, Sam Young; Batchelor, Murray T.; Zhou, Huan-Qiang

Description

Geometric entanglement (GE), as a measure of multipartite entanglement, has been investigated as a universal tool to detect phase transitions in quantum many-body lattice models. We outline a systematic method to compute GE for two-dimensional (2D) quantum many-body lattice models based on the translational invariant structure of infinite projected entangled pair state (iPEPS) representations. By employing this method, the q-state quantum Potts model on the square lattice with q ϵ {2, 3...[Show more]

CollectionsANU Research Publications
Date published: 2016-06-27
Type: Journal article
URI: http://hdl.handle.net/1885/109194
Source: Physical Review A
DOI: 10.1103/PhysRevA.93.062341

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