Double dot Kondo spin filter

Spin-polarized transport through the electrostatically coupled quantum dots in the Kondo regime is studied by the equation of motion method (EOM). We show that by tuning the gate voltages or changing magnetic field, the single spin orbital Kondo channel opens and the system operates as a spin filter...

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Bibliographic Details
Published in:Physica. B, Condensed matter Condensed matter, 2006-05, Vol.378, p.953-955
Main Authors: Lipiński, S., Krychowski, D.
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electronic transport in condensed matter
Exact sciences and technology
Kondo effect
Physics
Quantum dots
Spin polarized transport
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Summary:Spin-polarized transport through the electrostatically coupled quantum dots in the Kondo regime is studied by the equation of motion method (EOM). We show that by tuning the gate voltages or changing magnetic field, the single spin orbital Kondo channel opens and the system operates as a spin filter.
ISSN:0921-4526
1873-2135
DOI:10.1016/j.physb.2006.01.364