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7 papers
Vortices in a Bose-Einstein Condensate
M. R. Matthews, B. P. Anderson, P. C. Haljan +3
We have created vortices in two-component Bose-Einstein condensates. The vortex state was created through a coherent process involving the spatial and temporal control of interconv…
Watching a superfluid untwist itself: Recurrence of Rabi oscillations in a Bose-Einstein condensate
M. R. Matthews, B. P. Anderson, P. C. Haljan +5
The order parameter of a condensate with two internal states can continuously distort in such a way as to remove twists that have been imposed along its length. We observe this eff…
Recent Experiments with Bose-Condensed Gases at JILA
D. S. Hall, J. R. Ensher, D. S. Jin +3
We consider a binary mixture of two overlapping Bose-Einstein condensates in two different hyperfine states of \Rb87 with nearly identical magnetic moments. Such a system has been…
Having it Both Ways: Distinguishable Yet Phase-Coherent Mixtures of Bose-Einstein Condensates
E. A. Cornell, D. S. Hall, M. R. Matthews +1
We have begun a series of experiments on mixed bosonic quantum fluids. Our system is mixed Bose-Einstein condensates in dilute Rb-87. By simultaneously trapping the atoms in two di…
Measurements of Relative Phase in Binary Mixtures of Bose-Einstein Condensates
D. S. Hall, M. R. Matthews, C. E. Wieman +1
We have measured the relative phase of two Bose-Einstein condensates (BEC) using a time-domain separated-oscillatory-field condensate interferometer. A single two-photon coupling p…
The dynamics of component separation in a binary mixture of Bose-Einstein condensates
D. S. Hall, M. R. Matthews, J. R. Ensher +2
We present studies of the time-evolution of a two-component system of Bose-Einstein condensates (BEC) in the |F=1, mf=-1> and |2,1> spin states of Rb-87. The two condensates are cr…