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arXiv · 2110.01301

Interferometric control of nanorotor alignment

Birthe Schrinski·Benjamin A. Stickler·Klaus Hornberger
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Abstract

The intrinsically non-linear rotation dynamics of rigid bodies offer unprecedented ways to exploit their quantum motion. In this Letter we devise a rotational analog of Mach-Zehnder interferometry, which allows steering symmetric rotors from fully aligned to completely antialigned. The scheme uses a superposition of four distinct orientations, emerging at the eighth of the quantum revival time, whose interference can be controlled by a weak laser pulse. We develop a semiclassical model of the effect and demonstrate that it persists even in presence of imperfections and decoherence.

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Birthe Schrinski, Benjamin A. Stickler, Klaus Hornberger. 2021-10-04. Interferometric control of nanorotor alignment. https://doi.org/10.1103/physreva.105.l021502

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