Koppens, F. H. L. and Folk, J. A. and Elzermann, J. M. and Hanson, R. and Beveren, L. H. Willems van and Vink, I. T and Tranitz, Hans-Peter and Wegscheider, Werner and Kouwenhoven, Leo P. and Vandersypen, L. M. K. (2005) Control and Detection of Singlet-Triplet Mixing in a Random Nuclear Field. Science 309 (5739), pp. 1346-1350.
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We observed 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 was suppressed when we applied a small magnetic field or increased the interdot tunnel coupling and thereby the singlet-triplet splitting. Electron transport involving transitions between triplets and singlets in turn ...
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|Date:||21 July 2005|
|Institutions:||Physics > Institute of Experimental and Applied Physics > Retired Professors > Group Werner Wegscheider|
|Subjects:||500 Science > 530 Physics|
|Created at the University of Regensburg:||Unknown|
|Deposited On:||11 Jan 2010 13:40|
|Last Modified:||13 Mar 2014 12:23|