Título: Physical Review LettersImportada do Authenticus Pesquisar Publicações da Revista

Vol. 103

ISSN: 0031-9007

Editora: American Physical Society

ISI Web of Knowledge - 41 Citações

Scopus - 30 Citações

ID Authenticus: P-003-DHS

DOI: 10.1103/physrevlett.103.266804

Abstract (EN): Physical properties reflecting the valley asymmetry of Landau levels in a biased bilayer graphene under a magnetic field are discussed. Within the 4-band continuum model with a Hartree-corrected self-consistent gap and finite damping factor we predict the appearance of anomalous steps in quantized Hall conductivity due to the degeneracy lifting of Landau levels. Moreover, the valley symmetry breaking effect appears as a nonsemiclassical de Haas-van Alphen effect where the reduction of the oscillation period to half cannot be accounted for through quasiclassical quantization of the orbits in reciprocal space.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 4