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We present a tight-binding theory of the Dirac point resonances due to adsorbed atoms and molecules on an infinite two-dimensional graphene sheet based on the standard tight-binding model of the graphene π -band electronic structure and the extended Hückel model of the adsorbate and nearby graphene carbon atoms. The relaxed atomic geometries of the… (More)

- S. Ihnatsenka
- Computer Physics Communications
- 2012

- S. Ihnatsenka
- 2016

Numerical calculations of anisotropic hopping transport based on the resistor network model are presented. Conductivity is shown to follow the stretched exponential dependence on temperature with exponents increasing from 14 to 1 as the wave functions become anisotropic and their localization length in the direction of charge transport decreases. For… (More)

- S Ihnatsenka, I V Zozoulenko
- Physical review letters
- 2007

We perform self-consistent quantum transport calculations in open quantum dots taking into account the effect of electron interaction. We demonstrate that, in the regime of the ultralow temperatures 2 pi kappa BT < or = delta (delta being the mean-level spacing), the electron interaction strongly smears the conductance oscillations and thus significantly… (More)

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