Detection of vorticity in Bose-Einstein condensed gases by matter-wave interference
Eric L. Bolda, Dan F. Walls
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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