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Accurate Model of a Vertical Pillar Quantum Dot
P. A. Maksym, Y. Nishi, D. G. Austing +4
An accurate model of a vertical pillar quantum dot is described. The full three dimensional structure of the device containing the dot is taken into account and this leads to an ef…
Lateral electron tunneling through single self-assembled InAs quantum dots coupled to superconducting nanogap electrodes
K. Shibata, C. Buizert, A. Oiwa +2
We have fabricated superconductor-quantum dot-superconductor (SC-QD-SC) junctions by using SC aluminum electrodes with narrow gaps laterally contacting a single self-assembled InAs…
Microwave band on-chip coil technique for single electron spin resonance in a quantum dot
Toshiaki Obata, Michel Pioro-Ladriere, Toshihiro Kubo +3
Microwave band on-chip microcoils are developed for the application to single electron spin resonance measurement with a single quantum dot. Basic properties such as characteristic…
Molecular states observed in a single pair of strongly coupled self-assembled InAs quantum dots
T. Ota, M. Stopa, M. Rontani +8
Molecular states in a SINGLE PAIR of strongly coupled self-assembled InAs quantum dots are investigated using a sub-micron sized single electron transistor containing just a few pa…
Kondo effect out of equilibrium in a mesoscopic device
S. De Franceschi, R. Hanson, W. G. van der Wiel +5
We study the non-equilibrium regime of the Kondo effect in a quantum dot laterally coupled to a narrow wire. We observe a split Kondo resonance when a finite bias voltage is impose…
Stability of the maximum density droplet in quantum dots at high magnetic fields
T. H. Oosterkamp, J. W. Janssen, L. P. Kouwenhoven +3
We have measured electron transport through a vertical quantum dot containing a tunable number of electrons between 0 and 40. Over some region in magnetic field the electrons are s…