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Adiabatic transport of Bose-Einstein condensates in a double-well trap: Case of weak nonlinearity

  • Physics of Cold Trapped Atoms
  • Published:
Laser Physics

Abstract

A complete adiabatic transport of Bose-Einstein condensate in a double-well trap is investigated within the Landau-Zener (LZ), and Gaussian Landau-Zener (GLZ) schemes for the case of a small non-linearity, when the atomic interaction is weaker than the coupling. The schemes use the constant (LZ) and time-dependent Gaussian (GLZ) couplings. The mean field calculations show that LZ and GLZ suggest essentially different transport dynamics. Significant deviations from the case of a strong coupling are discussed.

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Authors and Affiliations

  1. Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Moscow oblast, 141980, Russia

    V. O. Nesterenko & A. N. Novikov

  2. Laboratoire de Physique Thoretique, Université Paul Sabatier, 118 Route de Narbonne, 31062 cedex, Toulouse, France

    E. Suraud

Authors
  1. V. O. Nesterenko
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  2. A. N. Novikov
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  3. E. Suraud
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Correspondence to V. O. Nesterenko.

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Original Russian Text © Astro, Ltd., 2010.

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Nesterenko, V.O., Novikov, A.N. & Suraud, E. Adiabatic transport of Bose-Einstein condensates in a double-well trap: Case of weak nonlinearity. Laser Phys. 20, 1149–1155 (2010). https://doi.org/10.1134/S1054660X10090197

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  • DOI: https://doi.org/10.1134/S1054660X10090197

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