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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Veröffentlicht in:Nat Commun
Hauptverfasser: 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.
Format: Artigo
Sprache:Inglês
Veröffentlicht: Nature Publishing Group UK 2020
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Online Zugang: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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