Nonequilibrium Fock space for the electron transport problem

Kosov, D.S.

Abstract

Based on the formalism of thermofield dynamics we propose a concept of nonequilibrium Fock space and nonequilibrium quasiparticles for quantum many-body system in nonequilibrium steady state. We develop a general theory as well as demonstrate the utility of the approach on the example of electron transport through the interacting region. The proposed approach is compatible with advanced quantum chemical methods of electronic structure calculations such as coupled cluster theory and configuration interaction.

Journal

Journal of Chemical Physics

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131

ISBN/ISSN

1089-7690

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Publisher

American Institute of Physics

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DOI

10.1063/1.3262519