Time Dependent Current Oscillations Through a Quantum Dot

Details Time Dependent Current Oscillations Through a Quantum Dot Time Dependent Current Oscillations Through a Quantum Dot

2000-01-13

arxiv.org/abs/cond-mat/0001200v1

Physics

Condensed Matter

Strongly Correlated Electrons

4 pages, 3 figures; to appear in PRB

Scientific paper

10.1103/PhysRevB.61.8312

Time dependent phenomena associated to charge transport along a quantum dot in the charge quantization regime is studied. Superimposed to the Coulomb blockade behaviour the current has novel non-linear properties. Together with static multistabilities in the negative resistance region of the I-V characteristic curve, strong correlations at the dot give rise to self-sustained current and charge oscillations. Their properties depend upon the parameters of the quantum dot and the external applied voltages.

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