Waveguide for Bose-Einstein condensates
Kai BongsInstitut für Quantenoptik, Universität Hannover, Welfengarten 1, 30167 Hannover, GermanySven BurgerInstitut für Quantenoptik, Universität Hannover, Welfengarten 1, 30167 Hannover, GermanyS. DettmerInstitut für Quantenoptik, Universität Hannover, Welfengarten 1, 30167 Hannover, GermanyD. HellwegInstitut für Quantenoptik, Universität Hannover, Welfengarten 1, 30167 Hannover, GermanyJ. ArltInstitut für Quantenoptik, Universität Hannover, Welfengarten 1, 30167 Hannover, GermanyW. ErtmerInstitut für Quantenoptik, Universität Hannover, Welfengarten 1, 30167 Hannover, GermanyK. SengstockInstitut für Quantenoptik, Universität Hannover, Welfengarten 1, 30167 Hannover, Germany
2001en
ABI
Abstract
We report on the creation of Bose-Einstein condensates of ${}^{87}\mathrm{Rb}$ in a specially designed hybrid, optical dipole and magnetic trap. This trap naturally allows the coherent transfer of matter waves into a pure optical dipole potential waveguide based on a doughnut beam. Specifically, we present studies of the coherence of the ensemble in the hybrid trap and during the evolution in the waveguide by means of an autocorrelation interferometer scheme. We observe a mean-field dominated acceleration in the waveguide on a much longer time scale than in the free three-dimensional expansion.
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Cited by 20 references