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Vortex sorter for Bose-Einstein condensates

Graeme Whyte, John Veitch, Patrik Öhberg, and Johannes Courtial
Phys. Rev. A 70, 011603(R) – Published 15 July 2004

Abstract

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 modeled rotation through fixed angles and sorting into vortex components with even and odd values of the topological charge of two-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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  • Received 24 February 2004

DOI:https://doi.org/10.1103/PhysRevA.70.011603

©2004 American Physical Society

Authors & Affiliations

Graeme Whyte1, John Veitch1, Patrik Öhberg2, and Johannes Courtial1

  • 1Department of Physics and Astronomy, University of Glasgow, Glasgow G12 8QQ, United Kingdom
  • 2Department of Physics, University of Strathclyde, Glasgow G4 0NG, United Kingdom

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Issue

Vol. 70, Iss. 1 — July 2004

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