Entanglement analysis of isotropic spin-1 chains

Ronny Thomale, Stephan Rachel, B. Andrei Bernevig, Daniel P. Arovas

Research output: Contribution to journalArticle

7 Scopus citations

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 realizations.

Original languageEnglish (US)
Article numberP07017
JournalJournal of Statistical Mechanics: Theory and Experiment
Volume2015
Issue number7
DOIs
StatePublished - Jul 1 2015

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Statistics, Probability and Uncertainty

Keywords

  • entanglement in extended quantum systems
  • ladders and planes (theory)
  • spin chains

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