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arXiv · 1502.06386

Entanglement analysis of isotropic spin-1 chains

Ronny Thomale·Stephan Rachel·B. Andrei Bernevig·Daniel P. Arovas
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Abstract

We investigate entanglement spectra of the SO(3) bilinear-biquadratic spin-1 chain, a model with phases exhibiting spontaneous symmetry breaking (both translation and spin rotation), points of enlarged symmetry, and a symmetry-protected topological phase (the Haldane phase). Our analysis reveals how these hallmark features are manifested in the entanglement spectra, and highlights the versatility of entanglement spectra as a tool to study one-dimensional quantum systems via small finite size realisations.

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Ronny Thomale, Stephan Rachel, B. Andrei Bernevig, Daniel P. Arovas. 2015-02-23. Entanglement analysis of isotropic spin-1 chains. https://doi.org/10.1088/1742-5468/2015/07/p07017

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