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

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

2008-08-29

arxiv.org/abs/0808.4021v1

J. Phys.: Conf. Ser. 150 (2009) 022034

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 2 figures

Scientific paper

10.1088/1742-6596/150/2/022034

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.

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