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Sodium Bose-Einstein Condensates in the F=2 State in a Large-volume Optical Trap
A. Görlitz, T. L. Gustavson, A. E. Leanhardt +6
We have investigated the properties of Bose-Einstein condensates of sodium atoms in the upper hyperfine ground state in a purely optical trap. Condensates in the high-field seeking…
Propagation of Bose-Einstein condensates in a magnetic waveguide
A. E. Leanhardt, A. P. Chikkatur, D. Kielpinski +4
Gaseous Bose-Einstein condensates of 2-3 million atoms were loaded into a microfabricated magnetic trap using optical tweezers. Subsequently, the condensates were released into a m…
Transport of Bose-Einstein Condensates with Optical Tweezers
T. L. Gustavson, A. P. Chikkatur, A. E. Leanhardt +4
We have transported gaseous Bose-Einstein condensates over distances up to 44 cm. This was accomplished by trapping the condensate in the focus of an infrared laser and translating…
Realization of Bose-Einstein condensates in lower dimensions
A. Gorlitz, J. M. Vogels, A. E. Leanhardt +9
Bose-Einstein condensates of sodium atoms have been prepared in optical and magnetic traps in which the energy-level spacing in one or two dimensions exceeds the interaction energy…
Observation of vortex phase singularities in Bose-Einstein condensates
S. Inouye, S. Gupta, T. Rosenband +6
We have observed phase singularities due to vortex excitation in Bose-Einstein condensates. Vortices were created by moving a laser beam through a condensate. They were observed as…
Amplification of light and atoms in a Bose--Einstein condensate
S. Inouye, R. F. Loew, S. Gupta +5
A Bose-Einstein condensate illuminated by a single off-resonant laser beam (``dressed condensate'') shows a high gain for matter waves and light. We have characterized the optical…