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Trapped Ion Quantum Computing Superconducting Qubits

Nonequilibrium dynamics of Andreev states in the Kondo regime.

PubMed

Authors: Yeyati AL, Martín-Rodero A, Vecino E

Year

2003

Paper ID

12955

Status

Peer-reviewed

Abstract Read

~2 min

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Abstract

The transport properties of a quantum dot coupled to superconducting leads are analyzed. It is shown that the quasiparticle current in the Kondo regime is determined by the nonequilibrium dynamics of subgap states (Andreev states) under an applied voltage. The current at low bias is suppressed exponentially for decreasing Kondo temperature in agreement with recent experiments. We also predict novel interference effects due to multiple Landau-Zener transitions between Andreev states.

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This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
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The transport properties of a quantum dot coupled to superconducting leads are analyzed.

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References & Citation Signals

[1] DOI https://doi.org/10.1103/PhysRevLett.91.266802 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/14754078/

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