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Electric control of tunneling energy in graphene double dots

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Raith, Martin ; Ertler, Christian ; Stano, Peter ; Wimmer, Michael ; Fabian, Jaroslav
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Date of publication of this fulltext: 04 Apr 2014 13:32


We theoretically investigate the spectrum of a single electron double quantum dot, defined by top gates in a graphene with a substrate-induced gap. We examine the effects of electric and magnetic fields on the spectrum of localized states, focusing on the tunability of the interdot coupling. We find that the substrate-induced gap allows for electrostatic control, with some limitations that for a ...


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