Spin-orbit induced spin-qubit control in nanowires

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We elaborate on a number of issues concerning our recent proposal for spin-qubit manipulation in nanowires using the spin-orbit coupling. We discuss the experimental status and describe in further detail the scheme for single-qubit rotations. We present a derivation of the effective two-qubit coupling which can be extended to higher orders in the Coulomb interaction. The analytic expression for the coupling strength is shown to agree with numerics.
5 pages, 3 figures, Contribution to ICN+T2006, Basel, Switzerland, July-August, 2006

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Mesoscale and Nanoscale Physics, Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/131680

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0612293
 http://arxiv.org/abs/cond-mat/0612293
 J. Phys.: Conf. Ser. 61, 302 (2007)
 doi:10.1088/1742-6596/61/1/061

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arXiv