Superconductor-quantum dot-superconductor junction in the Kondo regime

Andrei D. Zaikin; Yshai Avishai; Anatoly Golub

doi:10.1103/PhysRevB.67.041301

Superconductor-quantum dot-superconductor junction in the Kondo regime

Andrei D. Zaikin, Yshai Avishai, Anatoly Golub

Department of Physics

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

Electron transport between two superconductors through an Anderson impurity in the Kondo regime is investigated within the slave boson mean-field approximation. The current, shot-noise power and Fano factor are displayed versus the applied bias voltage in the subgap region and found to be strongly dependent on the ratio between the Kondo temperature (formula presented) and the superconducting gap (formula presented) In particular, the (formula presented) curve exposes an excess current in the limit (formula presented)

Original language	English
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	67
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevB.67.041301
State	Published - 1 Jan 2003

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.67.041301

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title = "Superconductor-quantum dot-superconductor junction in the Kondo regime",

abstract = "Electron transport between two superconductors through an Anderson impurity in the Kondo regime is investigated within the slave boson mean-field approximation. The current, shot-noise power and Fano factor are displayed versus the applied bias voltage in the subgap region and found to be strongly dependent on the ratio between the Kondo temperature (formula presented) and the superconducting gap (formula presented) In particular, the (formula presented) curve exposes an excess current in the limit (formula presented)",

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AU - Avishai, Yshai

AU - Golub, Anatoly

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N2 - Electron transport between two superconductors through an Anderson impurity in the Kondo regime is investigated within the slave boson mean-field approximation. The current, shot-noise power and Fano factor are displayed versus the applied bias voltage in the subgap region and found to be strongly dependent on the ratio between the Kondo temperature (formula presented) and the superconducting gap (formula presented) In particular, the (formula presented) curve exposes an excess current in the limit (formula presented)

AB - Electron transport between two superconductors through an Anderson impurity in the Kondo regime is investigated within the slave boson mean-field approximation. The current, shot-noise power and Fano factor are displayed versus the applied bias voltage in the subgap region and found to be strongly dependent on the ratio between the Kondo temperature (formula presented) and the superconducting gap (formula presented) In particular, the (formula presented) curve exposes an excess current in the limit (formula presented)

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Superconductor-quantum dot-superconductor junction in the Kondo regime

Abstract

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