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Very high precision bound state spectroscopy near a Rb Feshbach resonance
N. R. Claussen, S. J. J. M. F. Kokkelmans, S. T. Thompson +2
We precisely measured the binding energy of a molecular state near the Feshbach resonance in a Rb Bose-Einstein condensate (BEC). Rapid magnetic field pulses induced coheren…
Atom--Molecule Coherence in a Bose-Einstein Condensate
Elizabeth A. Donley, Neil R. Claussen, Sarah T. Thompson +1
Coherent coupling between atoms and molecules in a Bose-Einstein condensate (BEC) has been observed. Oscillations between atomic and molecular states were excited by sudden changes…
Microscopic Dynamics in a Strongly Interacting Bose-Einstein Condensate
N. R. Claussen, E. A. Donley, S. T. Thompson +1
An initially stable 85Rb Bose-Einstein condensate (BEC) was subjected to a carefully controlled magnetic field pulse in the vicinity of a Feshbach resonance. This pulse probed the…
Dynamics of collapsing and exploding Bose-Einstein condensates
Elizabeth A. Donley, Neil R. Claussen, Simon L. Cornish +3
We explored the dynamics of how a Bose-Einstein condensate collapses and subsequently explodes when the balance of forces governing the size and shape of the condensate is suddenly…
Controlled Collapse of a Bose-Einstein Condensate
J. L. Roberts, N. R. Claussen, S. L. Cornish +3
The point of instability of a Bose-Einstein Condensate (BEC) due to attractive interactions was studied. Stable 85-Rb BECs were created and then caused to collapse by slowly changi…