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quant-ph2007
Negative Differential Resistance of Electrons in Graphene Barrier
Daniela Dragoman, Mircea Dragoman
The graphene is a native two-dimensional crystal material consisting of a single sheet of carbon atoms. In this unique one-atom-thick material, the electron transport is ballistic…
quant-ph2007
Evidence Against Klein Paradox in Graphene
Daniela Dragoman
It is demonstrated that both transmission and reflection coefficients associated to the Klein paradox at a step barrier are positive and less than unity, so that the particle-antip…