Transport through quantum dots in mesoscopic circuits

Details Transport through quantum dots in mesoscopic circuits Transport through quantum dots in mesoscopic circuits

2002-12-05

arxiv.org/abs/cond-mat/0212119v1

Phys. Rev. Lett. 90, 216801 (2003)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 5 figures

Scientific paper

10.1103/PhysRevLett.90.216801

We study the transport through a quantum dot, in the Kondo Coulomb blockade valley, embedded in a mesoscopic device with finite wires. The quantization of states in the circuit that hosts the quantum dot gives rise to finite size effects. These effects make the conductance sensitive to the ratio of the Kondo screening length to the wires length and provide a way of measuring the Kondo cloud. We present results obtained with the numerical renormalization group for a wide range of physically accessible parameters.

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