Symmetry-protected topological phases in noninteracting fermion systems

Symmetry-protected topological phases in noninteracting fermion systems

Symmetry-protected topological (SPT) phases are gapped quantum phases with a certain symmetry, which can all be smoothly connected to the same trivial product state if we break the symmetry. For noninteracting fermion systems with time reversal (T̂), charge conjugation (Ĉ), and/or U(1) (N̂) symmetr...

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Bibliographic Details
Main Author:	Wen, Xiao-Gang
Other Authors:	Massachusetts Institute of Technology. Department of Physics
Format:	Article
Language:	en_US
Published:	American Physical Society 2012
Online Access:	http://hdl.handle.net/1721.1/71285 https://orcid.org/0000-0002-5874-581X

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