Lüscher, S. and Heinzel, Thomas and Ensslin, Klaus and Wegscheider, Werner and Bichler, Max
Signatures of Spin Pairing in Chaotic Quantum Dots.
Physical Review Letters 86 (10), pp. 2118-2121.
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Coulomb blockade resonances are measured in a GaAs quantum dot in which both shape deformations and interactions are small. The parametric evolution of the Coulomb blockade peaks shows a pronounced pair correlation in both position and amplitude, which is interpreted as spin pairing. As a consequence, the nearest-neighbor distribution of peak spacings can be well approximated by a modified ...
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