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Kondo effect in quantum dots

REVIEW ARTICLE

Michael Pustilnik1 and Leonid Glazman2

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TOPICAL REVIEW

We review mechanisms of low-temperature electronic transport through a quantum dot weakly coupled to two conducting leads. Transport in this case is dominated by electron–electron interaction. At temperatures moderately lower than the charging energy of the dot, the linear conductance is suppressed by the Coulomb blockade. Upon further lowering of the temperature, however, the conductance may start to increase again due to the Kondo effect. We concentrate on lateral quantum dot systems and discuss the conductance in a broad temperature range, which includes the Kondo regime.


PACS

01.30.Rr Surveys and tutorial papers; resource letters

72.15.Qm Scattering mechanisms and Kondo effect

73.23.Hk Coulomb blockade; single-electron tunneling

73.63.Kv Quantum dots

Subjects

Condensed matter: electrical, magnetic and optical

Surfaces, interfaces and thin films

Nanoscale science and low-D systems

Education and communication

Dates

Issue 16 (28 April 2004)

Received 30 January 2004

Published 8 April 2004



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