Adiabatic Charge Pumping through Quantum Dots in the Coulomb Blockade Regime

Abstract

We investigate the influence of the Coulomb interaction on the adiabatic pumping current through quantum dots. Using nonequilibrium Green's functions techniques, we derive a general expression for the current based on the instantaneous Green's function of the dot. We apply this formula to study the dependence of the charge pumped per cycle on the time-dependent pumping potentials. The possibility of charge quantization in the presence of a finite Coulomb repulsion energy is investigated in the light of recent experiments.

arXiv comment11 pages, 10 figures

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• Excitation of collective modes in a quantum flute
• Nonadiabatic Correction and Adiabatic Criteria of Noninteracting Quantum Dot Systems
• Superconductor-normal metal quantum phase transition in dissipative and non-equilibrium systems
• Effect of gas flow on electronic transport in a DNA-decorated carbon nanotube
• Optimal control over the full counting statistics in a non-adiabatic pump