Ballistic expansion of a dipolar condensate

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Published 2 April 2003 • Published under licence by IOP Publishing Ltd
, , Citation Stefano Giovanazzi et al 2003 J. Opt. B: Quantum Semiclass. Opt. 5 S208 DOI 10.1088/1464-4266/5/2/381

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1 Center for Theoretical Physics and College of Science, Polish Academy of Sciences, Aleja Lotników 32/46, 02-668 Warsaw, Poland

2 5th Institute of Physics, University of Stuttgart, D-70550 Stuttgart, Germany

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  1. Received 22 November 2002
  2. Published

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1464-4266/5/2/S208

Abstract

We have studied the free expansion of a Bose condensate in which both the usual s-wave contact interaction and the dipole–dipole interaction contribute considerably to the total interaction energy. We calculate corrections due to dipolar forces to the expansion of such a condensate after release from a trap. In the Thomas–Fermi limit, we find that the modifications of the shape of the expanding condensate are independent of the total number of atoms.

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