Nature.com July 15, 2026 ā€¢ 22:49

Fractional high-Chern insulator in twisted rhombohedral graphene - Nature

Fractional high-Chern insulator in twisted rhombohedral graphene - Nature

A rich variety of both integer and fractional high-Chern insulators are observed in a moirƩ system composed of Bernal bilayer graphene and rhombohedral tetralayer graphene.

<li>Tsui, D. C., Stormer, H. L. &amp; Gossard, A. C. Two-dimensional magnetotransport in the extreme quantum limit. Phys. Rev. Lett.48, 15591562 (1982).
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