Noise enhancement due to quantum coherence in coupled quantum dots
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Original version
Kießlich, G.; Schöll, E.; Brandes, T.; Hohls, F.; Haug, R.J.: Noise enhancement due to quantum coherence in coupled quantum dots. In: Physical Review Letters 99 (2007), Nr. 20, 206602. DOI:
https://doi.org/10.1103/PhysRevLett.99.206602
Repository version
To cite the version in the repository, please use this identifier:
https://doi.org/10.15488/2897
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Abstract:
We show that the intriguing observation of noise enhancement in the charge transport through two vertically coupled quantum dots can be explained by the interplay of quantum coherence and strong Coulomb blockade. We demonstrate that this novel mechanism for super-Poissonian charge transfer is very sensitive to decoherence caused by electron-phonon scattering as inferred from the measured temperature dependence. © 2007 The American Physical Society.
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Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
Publication type:
Article
Publishing status:
publishedVersion
Publication date:
2007
Keywords english:
Acoustic noise
,
Charge transfer
,
Electron scattering
,
Phonon scattering
,
Temperature measurement
,
Coulomb blockades
,
Electron phonon scattering
,
Noise enhancement
,
Quantum coherence
,
Semiconductor quantum dots
DDC:
530 | Physik
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