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Transport properties of the orbital Kondo effect via quantum dot systems with plural electrons
Author(s) -
Sakano R.,
Kita T.,
Ohashi T.,
Suga S.,
Kawakami N.
Publication year - 2007
Publication title -
physica status solidi (a)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.532
H-Index - 104
eISSN - 1862-6319
pISSN - 1862-6300
DOI - 10.1002/pssa.200673321
Subject(s) - kondo effect , plural , quantum dot , atomic orbital , physics , anderson impurity model , electron , condensed matter physics , slave boson , quantum mechanics , chemistry , hubbard model , philosophy , linguistics , superconductivity
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. (© 2007 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)