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Exactly Solvable Points and Symmetry Protected Topological Phases of Quantum Spins on a Zig-Zag Lattice

Zou, Haiyuan; Zhao, Erhai; Guan, Xi-Wen; Liu, W. Vincent


A large number of symmetry-protected topological (SPT) phases have been hypothesized for strongly interacting spin-1=2 systems in one dimension. Realizing these SPT phases, however, often demands finetuningshardtoreachexperimentally.Andthelackofanalyticalsolutionshinderstheunderstandingoftheir many-body wave functions. Here we show that two kinds of SPT phases naturally arise for ultracold polar molecules confined in a zigzag optical lattice. This system, motivated by recent experiments, is...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.122.180401
Access Rights: Open Access


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