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Transport properties of the orbital Kondo effect via quantum dot systems with plural electrons

✍ Scribed by Sakano, R. ;Kita, T. ;Ohashi, T. ;Suga, S. ;Kawakami, N.

Book ID
105364119
Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
387 KB
Volume
204
Category
Article
ISSN
0031-8965

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✦ Synopsis

Abstract

We study transport properties of the orbital Kondo effect via single quantum dot systems with plural electrons by applying the noncrossing approximation to the Anderson impurity model with orbitals. Investigating the case for the half filling of the quantum dot with three orbitals, we discuss the effects of the orbital level splitting on the conductance and the thermopower. (Β© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

πŸ“œ SIMILAR VOLUMES

Thermopower of Kondo effect in single qu
Thermopower of Kondo effect in single quantum dot systems with orbital at finite temperatures
✍ R. Sakano; T. Kita; N. Kawakami πŸ“‚ Article πŸ“… 2007 πŸ› Elsevier Science 🌐 English βš– 167 KB

We investigate the thermopower due to the orbital Kondo effect in a single quantum dot system by means of the noncrossing approximation. It is elucidated how the asymmetry of tunneling resonance due to the orbital Kondo effect affects the thermopower under gate-voltage and magnetic-field control.