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The connection between noise and quantum correlations in a double quantum dot

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2008

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Bodoky, Fabian
Bruder, Christoph

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-120627
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https://doi.org/10.1103/PhysRevB.77.035302
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Physical Review B. 2008, 77, 035302. Available under: doi: 10.1103/PhysRevB.77.035302

Zusammenfassung

We investigate the current and noise characteristics of a double quantum dot system. The strong correlations induced by the Coulomb interaction create entangled two-electron states and lead to signatures in the transport properties. We show that the interaction parameter phi, which measures the admixture of the double-occupancy contribution to the singlet state and thus the degree of entanglement, can be directly accessed through the Fano factor of super-Poissonian shot noise.

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530 Physik

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ISO 690BODOKY, Fabian, Wolfgang BELZIG, Christoph BRUDER, 2008. The connection between noise and quantum correlations in a double quantum dot. In: Physical Review B. 2008, 77, 035302. Available under: doi: 10.1103/PhysRevB.77.035302
BibTex
@article{Bodoky2008conne-852,
  year={2008},
  doi={10.1103/PhysRevB.77.035302},
  title={The connection between noise and quantum correlations in a double quantum dot},
  volume={77},
  journal={Physical Review B},
  author={Bodoky, Fabian and Belzig, Wolfgang and Bruder, Christoph},
  note={Article Number: 035302}
}
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