Many-body ground states from decomposition of ideal higher Chern bands: Applications to chirally twisted graphene multilayers

Many-body ground states from decomposition of ideal higher Chern bands: Applications to chirally twisted graphene multilayers

Motivated by the higher Chern bands of twisted graphene multilayers, we consider flat bands with arbitrary Chern number C with ideal quantum geometry. While C>1 bands differ from Landau levels, we show that these bands host exact fractional Chern insulator (FCI) ground states for short-range inte...

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Dettagli Bibliografici
Autori principali:	Junkai Dong, Patrick J. Ledwith, Eslam Khalaf, Jong Yeon Lee, Ashvin Vishwanath
Natura:	Articolo
Lingua:	English
Pubblicazione:	American Physical Society 2023-06-01
Serie:	Physical Review Research
Accesso online:	http://doi.org/10.1103/PhysRevResearch.5.023166

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