Counting statistics of coherent population trapping in quantum dots

dc.creatorGroth, C. W.
dc.creatorMichaelis, B.
dc.creatorBeenakker, C. W. J.
dc.date2006-05-25
dc.date2007-05-25
dc.date.accessioned2026-07-07T08:05:32Z
dc.date.available2026-07-07T08:05:32Z
dc.descriptionDestructive interference of single-electron tunneling between three quantum dots can trap an electron in a coherent superposition of charge on two of the dots. Coupling to external charges causes decoherence of this superposition, and in the presence of a large bias voltage each decoherence event transfers a certain number of electrons through the device. We calculate the counting statistics of the transferred charges, finding a crossover from sub-Poissonian to super-Poissonian statistics with increasing ratio of tunnel and decoherence rates.
dc.description4 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0605630
dc.identifierhttp://arxiv.org/abs/cond-mat/0605630
dc.identifierPhys. Rev. B 74, 125315 (2006)
dc.identifierdoi:10.1103/PhysRevB.74.125315
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/130308
dc.subjectMesoscale and Nanoscale Physics
dc.titleCounting statistics of coherent population trapping in quantum dots
dc.typetext

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