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Nonequilibrium Fock space for the electron transport problem

J. Chem. Phys. 131, 171102 (2009); doi:10.1063/1.3262519

Published 3 November 2009

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D. S. Kosov
Department of Physics and Center for Nonlinear Phenomena and Complex Systems, Université Libre de Bruxelles, Campus Plaine, CP 231, Blvd du Triomphe, B-1050 Brussels, Belgium
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. ©2009 American Institute of Physics
History: Received 2 September 2009; accepted 21 October 2009; published 3 November 2009
Permalink: http://link.aip.org/link/?JCPSA6/131/171102/1
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KEYWORDS and PACS

Keywords
PACS
  • 31.15.bw
    Coupled-cluster theory
  • 03.65.Ta
    Foundations of quantum mechanics; measurement theory
  • 31.15.am
    Ab initio relativistic configuration interaction (CI) and many-body perturbation calculations (atoms and molecules)
  • YEAR: 2009

PUBLICATION DATA

ISSN:
0021-9606 (print)   1089-7690 (online)
Publisher:
AIP is a member of CrossRef AIP

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