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Detection of vorticity in Bose-Einstein condensed gases by matter-wave interference

Eric L. Bolda·Dan F. Walls
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Abstract

A phase-slip in the fringes of an interference pattern is an unmistakable characteristic of vorticity. We show dramatic two-dimensional simulations of interference between expanding condensate clouds with and without vorticity. In this way, vortices may be detected even when the core itself cannot be resolved.

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Eric L. Bolda, Dan F. Walls. 1998-07-27. Detection of vorticity in Bose-Einstein condensed gases by matter-wave interference. https://doi.org/10.1103/physrevlett.81.5477

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