Numerical solution of the Dirac equation for an armchair graphene nanoribbon in the presence of a transversally variable potential

We compute, using a continuum model based on the Dirac equation, the transverse modes and the longitudinal wave vectors in an armchair ribbon, in the presence of a transversally variable external potential. We show that the application of a standard finite difference method to this problem is not ef...

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Detalhes bibliográficos
Principais autores: Marconcini, P, Logoteta, D, Fagotti, M, Macucci, M
Formato: Conference item
Publicado em: 2010