Symmetry-protected topological invariants of symmetry-protected topological phases of interacting bosons and fermions
Recently, it was realized that quantum states of matter can be classified as long-range entangled states (i.e., with nontrivial topological order) and short-range entangled states (i.e., with trivial topological order). We can use group cohomology class H[superscript d](SG,R/Z) to systematically des...
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| Format: | Article |
| Language: | English |
| Published: |
American Physical Society,
2014-08-21T15:00:30Z.
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| Online Access: | Get fulltext |