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Abstract
We introduce a matter wave interference scheme based on the quantization of orbital angular momentum in a ring trap. It operates without beam splitters, is sensitive to geometric phases induced by external gauge fields, and allows measuring interatomic scattering lengths. We argue that orbital angular momentum interferometry offers a versatile platform for quantum coherent experiments with cold atoms and Bose-Einstein condensates using state-of-the-art technology.
Highlights
Orbital angular momentum interference of trapped matter wavesKlaus Hornberger 2 1Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Vienna, Austria 2Faculty of Physics, University of Duisburg-Essen, Lotharstraße 1, 47048 Duisburg, Germany 3Quantum Optics and Laser Science, Imperial College London, SW72AZ London, United Kingdom (Received 7 November 2019; revised manuscript received 9 April 2020; accepted 15 April 2020; published 6 May 2020; corrected 19 March 2021)
Trapped interference experiments [1,2,3,4,5,6,7,8] are promising platforms for the generation of force and acceleration sensors
We introduced orbital angular momentum interference as an attractive platform for trapped matter-wave interferometry in toroidal geometries
Summary
Klaus Hornberger 2 1Faculty of Physics, University of Vienna, Boltzmanngasse 5, A-1090 Vienna, Austria 2Faculty of Physics, University of Duisburg-Essen, Lotharstraße 1, 47048 Duisburg, Germany 3Quantum Optics and Laser Science, Imperial College London, SW72AZ London, United Kingdom (Received 7 November 2019; revised manuscript received 9 April 2020; accepted 15 April 2020; published 6 May 2020; corrected 19 March 2021). We introduce a matter wave interference scheme based on the quantization of orbital angular momentum in a ring trap. It operates without beam splitters, is sensitive to geometric phases induced by external gauge fields, and allows measuring interatomic scattering lengths. We argue that orbital angular momentum interferometry offers a versatile platform for quantum coherent experiments with cold atoms and Bose-Einstein condensates using state-of-the-art technology
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