Coherent manipulation of nuclear spins in the breakdown regime of integer quantum Hall states

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We demonstrate a new method for electrical manipulation of nuclear spins utilizing dynamic nuclear polarization induced by quantum Hall effect breakdown. Nuclear spins are polarized and detected through the hyperfine interaction between a nuclear spin system and a two-dimensional electron system located at an interface of GaAs/AlGaAs single heterostructure. Coherent oscillations between the nuclear-spin quantum states are observed by measuring the longitudinal voltage of the conductor.
4 pages, 2 figures

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Mesoscale and Nanoscale Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/227237

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0808.4021
 http://arxiv.org/abs/0808.4021
 J. Phys.: Conf. Ser. 150 (2009) 022034
 doi:10.1088/1742-6596/150/2/022034

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arXiv