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Realization of Geometric Landau-Zener-St\"{u}ckelberg Interferometry

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arxiv 1304.0271 v1 pith:C7H3NH2Y submitted 2013-04-01 quant-ph

Realization of Geometric Landau-Zener-St\"{u}ckelberg Interferometry

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keywords geometricckelbergexperimentalinterferenceinterferometerinterferometrylandau-zener-strealization
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We report the first experimental realization of the geometric Landau-Zener-St\"{u}ckelberg (LZS) interferometry proposed by [Phys. Rev. Lett. 107, 207002 (2011)] in a single trapped ion system. Different from a conventional LZS interferometer, the interference fringes of our geometric interferometer originate solely from geometric phase. We also observe the robustness of the interference contrast against noise or fluctuation in the experimental parameters. Our scheme can be applied to other complex systems subject to relatively large errors in system control.

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