Anomalous Transmission Phase of a Kondo-Correlated Quantum Dot

Abstract

We study phase evolution of transmission through a quantum dot with Kondo correlations. By considering a model that includes nonresonant transmission as well as the Anderson impurity, we explain unusually large phase evolution of about $\pi$ in the Kondo valley observed in recent experiments. We argue that this anomalous phase evolution is a universal property that can be found in the high-temperature Kondo phase in the presence of the time-reversal symmetry.

5 pages, 3 figures

References in corpus (4)

• Kondo Correlations and the Fano Effect in Closed AB-Interferometers
• Fano and Kondo resonance in electronic current through nanodevices
• Transmission Phase of a Quantum Dot with Kondo Correlation Near the Unitary Limit
• The Enhanced Sensitivity of the Transmission Phase of a Quantum Dot to Kondo Correlations

Cited by in corpus (4)

• The numerical renormalization group method for quantum impurity systems
• Photon-assisted electron transport through a three-terminal quantum dot system with nonresonant tunneling channels
• Quark-hadron duality and production of charmonia and doubly charmed baryons in e+e- annihilation
• Dephasing and Measurement Efficiency via a Quantum Dot Detector