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Topological Response Theory of Abelian Symmetry-Protected Topological Phases in Two Dimensions

✍ Scribed by Cheng, Meng; Gu, Zheng-Cheng

Book ID
125478528
Publisher
The American Physical Society
Year
2014
Tongue
English
Weight
126 KB
Volume
112
Category
Article
ISSN
0031-9007

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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