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Degenerate ground states and multiple bifurcations in a two-dimensional q -state quantum Potts model

Dai, Yanwai; Cho, Samyoung; Batchelor, Murray; Zhou, H-Q


We numerically investigate the two-dimensional q-state quantum Potts model on the infinite square lattice by using the infinite projected entangled-pair state (iPEPS) algorithm. We show that the quantum fidelity, defined as an overlap measurement between

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Physical Review E-Statistical, Nonlinear and Soft Matter Physics
DOI: 10.1103/PhysRevE.89.062142


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