Charge pumping in carbon nanotube quantum dots

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dc.creatorBuitelaar, M. R.
dc.creatorKashcheyevs, V.
dc.creatorLeek, P. J.
dc.creatorTalyanskii, V. I.
dc.creatorSmith, C. G.
dc.creatorAnderson, D.
dc.creatorJones, G. A. C.
dc.creatorWei, J.
dc.creatorCobden, D. H.
dc.date2008-04-20
dc.date.accessioned2026-07-07T10:03:36Z
dc.date.available2026-07-07T10:03:36Z
dc.descriptionWe investigate charge pumping in carbon nanotube quantum dots driven by the electric field of a surface acoustic wave. We find that at small driving amplitudes, the pumped current reverses polarity as the conductance is tuned through a Coulomb blockade peak using a gate electrode. We study the behavior as a function of wave amplitude, frequency and direction and develop a model in which our results can be understood as resulting from adiabatic charge redistribution between the leads and quantum dots on the nanotube.
dc.identifierhttps://arxiv.org/abs/0804.3219
dc.identifierhttp://arxiv.org/abs/0804.3219
dc.identifierPhys. Rev. Lett. 101, 126803 (2008)
dc.identifierdoi:10.1103/PhysRevLett.101.126803
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/169349
dc.subjectMesoscale and Nanoscale Physics
dc.titleCharge pumping in carbon nanotube quantum dots
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