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Volumn 84, Issue 23, 2011, Pages

Two-dimensional symmetry-protected topological orders and their protected gapless edge excitations

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EID: 84855365665     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.84.235141     Document Type: Article
Times cited : (450)

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    • This is a reasonable restriction because we want to study systems at fixed point where the correlation length in the bulk is zero. Any exactly local operator in the bulk becomes an exactly local effective operator on the boundary.
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