Critical velocity in cylindrical Bose-Einstein condensates

P. O. Fedichev and G. V. Shlyapnikov
Phys. Rev. A 63, 045601 – Published 14 March 2001
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Abstract

We describe a dramatic decrease of the critical velocity in elongated cylindrical Bose-Einstein condensates which originates from the nonuniform character of the radial density profile. We discuss this mechanism with respect to recent measurements at MIT.

  • Received 17 April 2000

DOI:https://doi.org/10.1103/PhysRevA.63.045601

©2001 American Physical Society

Authors & Affiliations

P. O. Fedichev1,3 and G. V. Shlyapnikov2,3

  • 1Institut fur Theoretische Physik, Universität Innsbruck, Technikerstraße 25/2, A6020, Innsbruck, Austria
  • 2FOM Institute for Atomic and Molecular Physics, Kruislaan 407, 1098SJ Amsterdam, The Netherlands
  • 3Russian Research Center Kurchatov Institute, Kurchatov Square, 123182 Moscow, Russia

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Vol. 63, Iss. 4 — April 2001

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