Skyrmions in twisted bilayer graphene: stability, pairing, and crystallization

We study the excitations that emerge upon doping the translationally invariant correlated insulating states in magic-angle twisted bilayer graphene at various integer filling factors ν. We identify parameter regimes where these are excitations associated with skyrmion textures in the spin or pseudos...

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Hlavní autoři: Kwan, YH, Wagner, G, Bultinck, N, Simon, SH, Parameswaran, SA
Médium: Journal article
Jazyk:English
Vydáno: American Physical Society 2022