Suppression of current in transport through parallel double quantum dots

Details Suppression of current in transport through parallel double quantum dots Suppression of current in transport through parallel double quantum dots

2002-05-02

arxiv.org/abs/cond-mat/0205027v1

Phys. Rev. B63, 245326 (2001)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

14 pages, 8 figures

Scientific paper

10.1103/PhysRevB.63.245326

We report our study of the I-V curves in the transport through the quantum dot when an additional quantum dot lying in the Kondo regime is side-connected to it. Due to the Kondo scattering off the effective spin on a side-connected quantum dot the conductance is suppressed at low temperatures and at low source-drain bias voltages. This zero-bias anomaly is understood as enhanced Kondo scattering with decreasing temperature.

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