Gapless topological phases and symmetry-enriched quantum criticality
We introduce topological invariants for gapless systems and study the associated boundary phenomena. More generally, the symmetry properties of the low-energy conformal field theory (CFT) provide discrete invariants establishing the notion of symmetry-enriched quantum criticality. The charges of non...
Main Authors: | , , , |
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Format: | Journal article |
Language: | English |
Published: |
American Physical Society
2021
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