Kondo Temperature in Multilevel Quantum Dots

Details Kondo Temperature in Multilevel Quantum Dots Kondo Temperature in Multilevel Quantum Dots

2010-10-26

arxiv.org/abs/1010.5472v3

Phys. Rev. Lett. 106, 156803 (2011)

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 1 figure and supplementary material. Revised and improved version, to appear in Phys. Rev. Lett

Scientific paper

We develop a general method to evaluate the Kondo temperature in a multilevel quantum dot that is weakly coupled to conducting leads. Our theory reveals that the Kondo temperature is strongly enhanced when the intradot energy-level spacing is comparable to or smaller than the charging energy. We propose an experiment to test our result, which consists of measuring the size-dependence of the Kondo temperature.

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