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Title

Cotunneling Drag Effect in Coulomb-Coupled Quantum Dots

AuthorsKeller, A. J.; Lim, Jong-Soo ; Sánchez, David ; López, Rosa ; Amasha, S.; Katine, J. A.; Shtrikman, Hadas; Goldhaber-Gordon, D.
Issue Date4-Aug-2016
PublisherAmerican Physical Society
CitationPhysical Review Letters 117: 066602 (2016)
AbstractIn Coulomb drag, a current flowing in one conductor can induce a voltage across an adjacent conductor via the Coulomb interaction. The mechanisms yielding drag effects are not always understood, even though drag effects are sufficiently general to be seen in many low-dimensional systems. In this Letter, we observe Coulomb drag in a Coulomb-coupled double quantum dot and, through both experimental and theoretical arguments, identify cotunneling as essential to obtaining a correct qualitative understanding of the drag behavior.
Publisher version (URL)http://doi.org/10.1103/PhysRevLett.117.066602
URIhttp://hdl.handle.net/10261/157555
DOI10.1103/PhysRevLett.117.066602
ISSN0031-9007
E-ISSN1079-7114
Appears in Collections:(IFISC) Artículos
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