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Magic of high-order van Hove singularity
The van Hove singularity in density of states generally exists in periodic systems due to the presence of saddle points of energy dispersion in momentum space. We introduce a new type of van Hove singularity in two dimensions, resulting from high-order saddle points and exhibiting power-law divergen...
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| Pubblicato in: | Nat Commun |
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| Autori principali: | , , |
| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
Nature Publishing Group UK
2019
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| Soggetti: | |
| Accesso online: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6920381/ https://ncbi.nlm.nih.gov/pubmed/31852901 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41467-019-13670-9 |
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