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Classification of gapped symmetric phases in one-dimensional spin systems

✍ Scribed by Chen, Xie; Gu, Zheng-Cheng; Wen, Xiao-Gang

Book ID
119997520
Publisher
The American Physical Society
Year
2011
Tongue
English
Weight
590 KB
Volume
83
Category
Article
ISSN
1098-0121

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We discuss the characterization and stability of the Haldane phase in integer spin chains on the basis of simple, physical arguments. We find that an odd-S Haldane phase is a topologically nontrivial phase which is protected by any one of the following three global symmetries: (i) the dihedral group