Non-equilibrium theory for strongly coupled quantum dot with arbitrary on-site correlation strength

Details Non-equilibrium theory for strongly coupled quantum dot with arbitrary on-site correlation strength Non-equilibrium theory for strongly coupled quantum dot with arbitrary on-site correlation strength

2005-02-11

arxiv.org/abs/cond-mat/0502290v2

Phys. Rev. B, 72 075314 (2005).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

14 pages, 4 figures

Scientific paper

10.1103/PhysRevB.72.075314

An analytical expression for the current through a single level quantum dot for arbitrary strength of the on-site electron-electron interaction is derived beyond standard mean-field theory. By describing the localised states in terms of many-body operators, the employed diagrammatic technique for strong coupling enables inclusion of electron correlation effects into the description of the local dynamics, which provides transport properties that are consistent with recent experimental data.

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