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cond-mat.mes-hall2012★ 65 cited
Quantum dot admittance probed at microwave frequencies with an on-chip resonator
T. Frey, P. J. Leek, M. Beck +5
We present microwave frequency measurements of the dynamic admittance of a quantum dot tunnel coupled to a two-dimensional electron gas. The measurements are made via a high-qualit…
cond-mat.mes-hall2011★ 18 cited
Transport through a strongly coupled graphene quantum dot in perpendicular magnetic field
J. Guettinger, C. Stampfer, T. Frey +2
We present transport measurements on a strongly coupled graphene quantum dot in a perpendicular magnetic field. The device consists of an etched single-layer graphene flake with tw…
cond-mat.mes-hall2011★ 27 cited
Characterization of a microwave frequency resonator via a nearby quantum dot
T. Frey, P. J. Leek, M. Beck +3
We present measurements of a hybrid system consisting of a microwave transmission-line resonator and a lateral quantum dot defined on a GaAs heterostructure. The two subsystems are…