Eliminating the mean-field shift in two-component Bose-Einstein condensates

E. V. Goldstein, M. G. Moore, H. Pu, Pierre Meystre

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Abstract

We demonstrate that the nonlinear mean-field shift in a multicomponent Bose-Einstein condensate may be eliminated by controlling the two-body interaction coefficients. This modification can be achieved by engineering the environment of the condensate. We consider the case of a two-component condensate in a quasi-one-dimensional atomic waveguide, achieving modification of the atom-atom interactions by varying the transverse wave functions of the components. Eliminating the density-dependent phase shift represents a promising potential application for multicomponent condensates in atom interferometry and precision measurements.

Original languageEnglish (US)
Pages (from-to)5030-5033
Number of pages4
JournalPhysical Review Letters
Volume85
Issue number24
Publication statusPublished - Dec 11 2000

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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