Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2006-07-11
Phys. Rev. Lett. 98, 056801 (2007)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
related papers available at http://marcuslab.harvard.edu
Scientific paper
10.1103/PhysRevLett.98.056801
We report measurements of the cross-correlation between current noise fluctuations in two capacitively coupled quantum dots in the Coulomb blockade regime. The sign of the cross-spectral density is found to be tunable by gate voltage and source-drain bias. Good agreement is found with a model of sequential tunneling through the dots in the presence of inter-dot capacitive coupling.
DiCarlo L.
Engel Hans-Andreas
Gossard Arthur. C.
Hanson Malcolm P.
Marcus Charles M.
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