Meunier, T. and Tielrooij, K.-J. and Vink, I. T and Koppens, F. H. L. and Tranitz, Hans-Peter and Wegscheider, Werner and Kouwenhoven, Leo P. and Vandersypen, L. M. K.
High fidelity measurement of singlet-triplet state in a quantum dot.
physica status solidi b 243 (15), pp. 3855-3858.
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We demonstrate experimentally a read-out method that distinguishes between two-electron spin states in a quantum dot. This scheme combines the advantages of the two existing mechanisms for spin-to-charge conversion with single-shot charge detection: a large difference in energy between the two states and a large difference in tunnel rate between the states and a reservoir. As a result, a spin ...
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