Chung, C. -H., Latha, K. V. P., Le Hur, K., Vojta, M. and Woelfle, P. (2010). Tunable Kondo-Luttinger systems far from equilibrium. Phys. Rev. B, 82 (11). COLLEGE PK: AMER PHYSICAL SOC. ISSN 1098-0121

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Abstract

We theoretically investigate the nonequilibrium current through a quantum dot coupled to one-dimensional electron leads, utilizing a controlled frequency-dependent renormalization group approach. We compute the nonequilibrium conductance for large bias voltages and address the interplay between decoherence, Kondo entanglement, and Luttinger physics. The combined effect of large bias voltage and strong interactions in the leads, known to stabilize two-channel Kondo physics, results in nontrivial modifications in the conductance. Interestingly, these unusual changes in the conductance persist in the presence of a finite channel asymmetry.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Chung, C. -H.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Latha, K. V. P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Le Hur, K.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Vojta, M.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Woelfle, P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-496347
DOI: 10.1103/PhysRevB.82.115325
Journal or Publication Title: Phys. Rev. B
Volume: 82
Number: 11
Date: 2010
Publisher: AMER PHYSICAL SOC
Place of Publication: COLLEGE PK
ISSN: 1098-0121
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
QUANTUM-DOTMultiple languages
Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed MatterMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/49634

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