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Coherent Collisions between Bose-Einstein Condensates
J. M. Vogels, J. K. Chin, W. Ketterle
We study the non-degenerate parametric amplifier for matter waves, implemented by colliding two Bose-Einstein condensates. The coherence of the amplified waves is shown by observin…
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…
Generation of macroscopic pair-correlated atomic beams by four-wave mixing in Bose-Einstein condensates
J. M. Vogels, K. Xu, W. Ketterle
By colliding two Bose-Einstein condensates we have observed strong bosonic stimulation of the elastic scattering process. When a weak input beam was applied as a seed, it was ampli…
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…