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Multi-band Wigner Function Formulation of Quantum Transport

Mehmet Burcin Unlu, Bernard Rosen, Hong-Liang Cui, Peiji Zhao

cond-mat.mes-hallarXiv:cond-mat/0407218

Abstract

A Wigner function representation of multi-band quantum transport theory is developed in this paper. The equations are derived using non-equilibrium Green's function formulation with the generalized Kadanoff-Baym ansatz and the multi-band k.p Hamiltonian including spin. The results are applied to a two-band resonant inter-band tunneling structure.

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