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cond-mat.mes-hall2005
Control and Detection of Singlet-Triplet Mixing in a Random Nuclear Field
F. H. L. Koppens, J. A. Folk, J. M. Elzerman +7
We observe mixing between two-electron singlet and triplet states in a double quantum dot, caused by interactions with nuclear spins in the host semiconductor. This mixing is suppr…
cond-mat.mes-hall2005
The Kondo Effect in the Presence of Magnetic Impurities
H. B. Heersche, Z. de Groot, J. A. Folk +5
We measure transport through gold grain quantum dots fabricated using electromigration, with magnetic impurities in the leads. A Kondo interaction is observed between dot and leads…