Vortex sorter for Bose-Einstein condensates

Details Vortex sorter for Bose-Einstein condensates Vortex sorter for Bose-Einstein condensates

2004-02-24

arxiv.org/abs/cond-mat/0402584v1

Physics

Condensed Matter

Soft Condensed Matter

4 pages, high resolution figures can be obtained from the authors

Scientific paper

10.1103/PhysRevA.70.011603

We have designed interferometers that sort Bose-Einstein condensates into their vortex components. The Bose-Einstein condensates in the two arms of the interferometer are rotated with respect to each other through fixed angles; different vortex components then exit the interferometer in different directions. The method we use to rotate the Bose-Einstein condensates involves asymmetric phase imprinting and is itself new. We have modelled rotation through fixed angles and sorting into vortex components with even and odd values of the topological charge of 2-dimensional Bose-Einstein condensates in a number of states (pure or superposition vortex states for different values of the scattering length). Our scheme may have applications for quantum information processing.

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