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Shore, Bruce W.; Dömötör, Piroska; Sadurni, Emerson; Süssmann, Georg und Schleich, Wolfgang P. (2015): Scattering of a particle with internal structure from a single slit. In: New Journal of Physics, Bd. 17, 013046 [PDF, 2MB]

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Abstract

Classically, rigid objects with elongated shapes can fit through apertures only when properly aligned. Quantum-mechanical particles which have internal structure (e.g. a diatomic molecule) also are affected during attempts to pass through small apertures, but there are interesting differences with classical structured particles. Weillustrate here some of these differences for ultra-slow particles. Notably, we predict resonances that correspond to prolonged delays of the rotor within the aperture-a trapping phenomenon not found classically.

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