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Single-shot readout of electron spin states in a quantum dot using spin-dependent tunnel rates
R. Hanson, L. H. Willems van Beveren, I. T. Vink +5
We present a method for reading out the spin state of electrons in a quantum dot that is robust against charge noise and can be used even when the electron temperature exceeds the…
Single-shot read-out of an individual electron spin in a quantum dot
J. M. Elzerman, R. Hanson, L. H. Willems van Beveren +3
Spin is a fundamental property of all elementary particles. Classically it can be viewed as a tiny magnetic moment, but a measurement of an electron spin along the direction of an…
Determination of the tunnel rates through a few-electron quantum dot
R. Hanson, I. T. Vink, D. P. DiVincenzo +4
We demonstrate how rate equations can be employed to find analytical expressions for the sequential tunneling current through a quantum dot as a function of the tunnel rates, for a…
Real-time detection of single electron tunneling using a quantum point contact
L. M. K. Vandersypen, J. M. Elzerman, R. N. Schouten +3
We observe individual tunnel events of a single electron between a quantum dot and a reservoir, using a nearby quantum point contact (QPC) as a charge meter. The QPC is capacitivel…