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Flat band electronic modes in twisted graphene bilayers are responsible for superconducting and other highly correlated electron-electron phases. Although some hints were known of a possible connection between the quantum Hall effect and zero flat ba
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https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8db64dcb6c882b298132bea71d41214a
http://arxiv.org/abs/2210.01931
http://arxiv.org/abs/2210.01931
Autor:
Leonardo A. Navarro-Labastida, Abdiel Espinosa-Champo, Enrique Aguilar-Mendez, Gerardo G. Naumis
Publikováno v:
Physical Review B. 105
The hybrid atoms-cell site entanglement in a one-dimensional Su-Schrieffer-Heeger (SSH) topological insulator with first and second neighbor hopping interaction in space representation of finite chains is analyzed. The geometric phase is calculated b
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http://arxiv.org/abs/2106.02756
http://arxiv.org/abs/2106.02756
Autor:
Leonardo A. Navarro-Labastida, Enrique Aguilar-Mendez, Abdiel Espinosa-Champo, Gerardo G. Naumis
The chiral Hamiltonian for twisted graphene bilayers is written as a $2\ifmmode\times\else\texttimes\fi{}2$ matrix operator by a renormalization of the Hamiltonian that takes into account the particle-hole symmetry. This results in an effective Hamil
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The chiral Hamiltonian for twisted graphene bilayers is analyzed in terms of its squared Hamiltonian which removes the particle-hole symmetry and thus one bipartite lattice, allowing to write the Hamiltonian in terms of a $2\times 2$ matrix. This bri
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https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a828e16b90f892f4a414ec3636b982d5