The Use of Quantum Dots as Highly Sensitive Switchs Based on Singlet-Triplet Transition and Symmetry Constraint

Y. M. Liu; G. M. Huang; C. G. Bao

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The Use of Quantum Dots as Highly Sensitive Switchs Based on Singlet-Triplet Transition and Symmetry Constraint

Y. M. Liu·G. M. Huang·C. G. Bao

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Abstract

Based on symmetry constraint that leads to the appearance of nodes in the wave functions of 3-electron systems at regular triangle configurations, it was found that, if the parameters of confinement are skillfully given and if a magnetic field is tuned around the critical point of the singlet-triplet transition, a 2-electron quantum dot can be used as a highly sensitive switch for single-electron transport.

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Y. M. Liu, G. M. Huang, C. G. Bao. 2005-05-17. The Use of Quantum Dots as Highly Sensitive Switchs Based on Singlet-Triplet Transition and Symmetry Constraint. https://arxiv.org/abs/cond-mat/0505320

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