Study on the Kondo effect in the tunneling phenomena through a quantum dot

Details Study on the Kondo effect in the tunneling phenomena through a quantum dot Study on the Kondo effect in the tunneling phenomena through a quantum dot

2002-08-27

arxiv.org/abs/cond-mat/0208505v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

9 pages, 5 figures, Proceedings of the 2nd Hiroshima Workshop--Transport and Thermal Properties of Advanced Materials--, Hir

Scientific paper

10.1016/S0921-4526(02)01826-4

We review our recent studies on the Kondo effect in the tunneling phenomena through quantum dot systems. Numerical methods to calculate reliable tunneling conductance are developed. In the first place, a case in which electrons of odd number occupy the dot is studied, and experimental results are analyzed based on the calculated result. Tunneling anomaly in the even-number-electron occupation case, which is recently observed in experiment and is ascribed to the Kondo effect in the spin singlet-triplet cross over transition region, is also examined theoretically.

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