Long-range ballistic transport of Brown-Zak fermions in graphene superlattices

In quantizing magnetic fields, graphene superlattices exhibit a complex fractal spectrum often referred to as the Hofstadter butterfly. It can be viewed as a collection of Landau levels that arise from quantization of Brown-Zak minibands recurring at rational (p/q) fractions of the magnetic flux qua...

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Publicado no:Nat Commun
Main Authors: Barrier, Julien, Kumaravadivel, Piranavan, Krishna Kumar, Roshan, Ponomarenko, L. A., Xin, Na, Holwill, Matthew, Mullan, Ciaran, Kim, Minsoo, Gorbachev, R. V., Thompson, M. D., Prance, J. R., Taniguchi, T., Watanabe, K., Grigorieva, I. V., Novoselov, K. S., Mishchenko, A., Fal’ko, V. I., Geim, A. K., Berdyugin, A. I.
Formato: Artigo
Idioma:Inglês
Publicado em: Nature Publishing Group UK 2020
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Article
Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC7666116/
https://ncbi.nlm.nih.gov/pubmed/33188210
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41467-020-19604-0
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