Uniting Bose-Einstein Condensates in Optical Resonators

D. Jaksch, S. A. Gardiner, K. Schulze, J. I. Cirac, and P. Zoller
Phys. Rev. Lett. 86, 4733 – Published 21 May 2001
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Abstract

The relative phase of two initially independent Bose-Einstein condensates can be laser cooled to unite the two condensates by putting them into a ring cavity and coupling them with an internal Josephson junction. First, we show that this phase cooling process already appears within a semiclassical model. We calculate the stationary states, find regions of bistable behavior, and suggest a Ramsey-type experiment to measure the buildup of phase coherence between the condensates. We also study quantum effects and imperfections of the system.

  • Received 4 January 2001

DOI:https://doi.org/10.1103/PhysRevLett.86.4733

©2001 American Physical Society

Authors & Affiliations

D. Jaksch1, S. A. Gardiner1,2, K. Schulze1, J. I. Cirac1, and P. Zoller1

  • 1Institut für Theoretische Physik, Universität Innsbruck, A-6020 Innsbruck, Austria
  • 2Institut für Physik, Universität Potsdam, D-14469 Potsdam, Germany

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Vol. 86, Iss. 21 — 21 May 2001

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