Nonlinear Transport through Coupled Double Quantum Dot Systems

Details Nonlinear Transport through Coupled Double Quantum Dot Systems Nonlinear Transport through Coupled Double Quantum Dot Systems

1996-11-26

arxiv.org/abs/cond-mat/9611200v1

Physical Review B 56, 13235 (1997).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

10 pages, 5 figures

Scientific paper

10.1103/PhysRevB.56.13235

We investigate sequential tunneling transport through a semiconductor double quantum dot structure by combining a simple microscopic quantum confinement model with a Mott-Hubbard type correlation model. We calculate nonperturbatively the evolution of the Coulomb blockade oscillations as a function of the interdot barrier conductance, obtaining good qualitative agreement with the experimental data over the whole tunneling regime from the weak-coupling individual dot to the strong-coupling coherent double-dot molecular system.

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