Electronic Correlations in Double Quantum Dots

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We present a study of the electronic structure of two laterally coupled gaussian quantum dots filled with two particles. The exact diagonalization method has been used in order to inspect the spatial correlations and examine the particular spin singlet-triplet configurations for different coupling degrees between quantum dots. The outcome of our research shows this structure to have highly modifiable properties promoting it as an interesting quantum device, showing the possible use of this states as a quantum bit gate.
4 pages, 4 figures, REVTeX 4

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Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/146687

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0710.1819
 http://arxiv.org/abs/0710.1819
 doi:10.1016/j.physe.2008.01.003

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arXiv