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Nematicity with a twist: Rotational symmetry breaking in a moiré superlattice

Motivated by recent reports of nematic order in twisted bilayer graphene (TBG), we investigate the impact of the triangular moiré superlattice degrees of freedom on nematicity. In TBG, the nematic order parameter is not Ising like, as in tetragonal crystals, but has a three-state Potts character rel...

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Detalles Bibliográficos
Autores principales: Fernandes, Rafael M., Venderbos, Jörn W. F.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Association for the Advancement of Science 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7406379/
https://www.ncbi.nlm.nih.gov/pubmed/32821828
http://dx.doi.org/10.1126/sciadv.aba8834