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Spontaneous layer-pseudospin domain walls in bilayer graphene

Spontaneous layer-pseudospin domain walls in bilayer graphene

Physical Review Letters 113(11): 116803

Bilayer graphene is susceptible to a family of unusual broken symmetry states with spin and valley dependent layer polarization. We report on a microscopic study of the domain walls in these systems, demonstrating that they have interesting microscopic structure related to the topological character of the ordered states. We use our results to show that the metal-insulator transition temperature in bilayer graphene is reduced from mean-field estimates by thermal excitation of domain walls.

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Accession: 055889986

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PMID: 25259998

DOI: 10.1103/physrevlett.113.116803

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