Potsdam University Potsdam Quantum Optics Group

Universität Potsdam
Institut für Physik
Karl-Liebknecht-Str. 24/25
14476 Potsdam-Golm
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 Publications
 1999
   idziaszek99a
 
Z. Idziaszek, K. Rzazewski, and M. Wilkens
Scattering of atoms on the Bose-Einstein condensate
J. Phys. B 32 (1999) L205-L212

Abstract

    We investigate the scattering of slowly moving atoms on the Bose-Einstein condensate. The condensate excitations are described by Bogolyubov-de Gennes equations. We derive the analytic expressions for the differential cross section for both elastic and inelastic channels. For the elastic channel, we obtain analytic results for total cross sections, and discuss their scaling with the number of condensed atoms. For inelastic channels we present numerical results for the total cross section.

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