Anomalous Kondo effect of indirectly coupled double quantum dots

Details Anomalous Kondo effect of indirectly coupled double quantum dots Anomalous Kondo effect of indirectly coupled double quantum dots

2003-07-11

arxiv.org/abs/cond-mat/0307286v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages 3 figures

Scientific paper

We report theoretical investigations of indirectly coupled double quantum dots (QD) side connected to an one-dimensional quantum wire. Due to quantum interference controlled by the parameter $k_F L$, with $k_F$ the Fermi wave number of the wire and $L$ the distance between the two QDs, distinctly different Kondo resonances are predicted depending on the range of $k_F L$. A true bound Kondo states is found while an anomalous Kondo resonance gives rise to both reduction and enhancement of conductance.

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