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New classes of topological crystalline insulators having surface rotation anomaly
We discover new types of quantum anomalies in two-dimensional systems with time-reversal symmetry (T) and discrete rotation symmetry with order of n = 2, 4, and 6 (C(n)). The new anomalous states have n flavors of massless Dirac fermions protected by T and C(n), whereas any two-dimensional lattices...
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| Pubblicato in: | Sci Adv |
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| Autori principali: | , |
| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
American Association for the Advancement of Science
2019
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6924984/ https://ncbi.nlm.nih.gov/pubmed/31903416 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1126/sciadv.aat2374 |
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