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Anomalous Transmission Phase of a Kondo-Correlated Quantum Dot
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- Authors
- Ki Cheon Kang, Mahn Soo Choi, Seong Jae Lee
- Issue Date
- 2005-01
- Citation
- Physical Review B : Condensed Matter and Materials Physics, v.71, no.4, pp.1-5
- ISSN
- 1098-0121
- Publisher
- American Physical Society(APS)
- Language
- English
- Type
- Journal Article
- 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 the unusually large phase evolution of about ? across the resonant peak through 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. ©2005 The American Physical Society.
- KSP Keywords
- Anomalous transmission, High Temperature, Phase evolution, Quantum Dot(QD), Resonant peak, time-reversal(TR), time-reversal symmetry, transmission phase, universal property