Antiferromagnetic ordering and excitonic pairing in the AA-stacked bilayer graphene
V. Apinyan,
T. K. Kopec
Abstract:In the present paper, we describe the antiferromagnetic and excitonic correlations in the AAstacked bilayer graphene. We consider the applied external electric field potential to the structure which leads to the electronic charge imbalance between the layers in the system. By using the generalized two-layer Hubbard Hamiltonian, we consider different particle filling regimes in the layers. We calculate the important energy scales in the system and we establish the conditions for the appearance of the antiferrom… Show more
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