Realization of Geometric Landau-Zener-St\"{u}ckelberg Interferometry
Junhua Zhang, Jingning Zhang, Xiang Zhang, Kihwan Kim
TL;DR
This paper demonstrates the first experimental realization of a geometric Landau-Zener-Stückelberg interferometer using a single trapped ion, highlighting its robustness and potential for complex quantum systems.
Contribution
It introduces a novel geometric LZS interferometry scheme realized experimentally, emphasizing its independence from dynamical phases and robustness against noise.
Findings
Interference fringes originate solely from geometric phase.
The scheme shows robustness against experimental noise.
First experimental demonstration of geometric LZS interferometry.
Abstract
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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