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Coherence and Superfluidity of Gaseous Bose-Einstein Condensates

  • Jean Dalibard
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  • 766 Downloads
Part of the Lecture Notes in Physics book series (LNP, volume 602)

Abstract

This paper gives a summary of the experimental production and the theoretical description of a gaseous Bose-Einstein condensate. We present the standard procedure to obtain a condensate: laser cooling, followed by evaporative cooling in a magnetic trap. We then turn to the theoretical treatment of an interacting Bose- Einstein condensate. We justify the use of a contact potential to describe atom interactions and we outline the derivation of the Gross-Pitaevskii equation. We then discuss experiments revealing the coherence properties of a single condensate, and the relative coherence between two independent condensates. Finally, we address the problem of the superfluidity of a condensate, by focussing on its rotational properties and the nucleation of quantized vortices.

Keywords

Liquid Helium Vortex Line Evaporative Cool Einstein Condensate Vortex Lattice 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Jean Dalibard
    • 1
  1. 1.Laboratoire Kastler BrosselParisFrance

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