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Paper detail

High-performance solution of the transport problem in a graphene armchair structure with a generic potential

We propose an efficient numerical method to study the transport properties of armchair graphene ribbons in the presence of a generic external potential. The method is based on a continuum envelope-function description with physical boundary conditions. The envelope functions are computed in the reciprocal space, and the transmission is then obtained with a recursive scattering matrix approach. This allows a significant reduction of the computational time with respect to finite difference simulations.

preprint2014arXivOpen access
Demetrio LogotetaPaolo MarconciniClaudio BonatiMaurizio FagottiMassimo Macucci
cond-mat.mes-hallphysics.comp-ph
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Demetrio LogotetaPaolo MarconciniClaudio BonatiMaurizio FagottiMassimo Macucci

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