Tunable noise cross correlations in a double quantum dot
DT McClure, L DiCarlo, Y Zhang, HA Engel… - Physical review …, 2007 - APS
Physical review letters, 2007•APS
We report measurements of the cross correlation between temporal current 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. We find
good agreement with the data by including an interdot Coulomb interaction in a sequential-
tunneling model.
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. We find
good agreement with the data by including an interdot Coulomb interaction in a sequential-
tunneling model.
We report measurements of the cross correlation between temporal current 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. We find good agreement with the data by including an interdot Coulomb interaction in a sequential-tunneling model.
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