Transport through quantum dots in mesoscopic circuits

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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.
4 pages, 5 figures

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Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/20455

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0212119
 http://arxiv.org/abs/cond-mat/0212119
 Phys. Rev. Lett. 90, 216801 (2003)
 doi:10.1103/PhysRevLett.90.216801

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arXiv