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AC-Stark shift and photoionization of Rydberg atoms in an optical dipole trap
AC-Stark shift photoionization Rydberg atoms
2010/11/12
We have measured the AC-Stark shift of the $14D_{5/2}$ Rydberg state of rubidium 87 in an optical dipole trap formed by a focussed CO$_2$-laser. We find good quantitative agreement with the model of ...
Single Cs Atoms as Collisional Probes in a large Rb Magneto-Optical Trap
Single Cs Atoms Collisional Probes a large Rb Magneto-Optical Trap
2010/10/29
We study cold inter-species collisions of Caesium and Rubidium in a strongly imbalanced system with single and few Cs atoms. Observation of the single atom fuorescence dynamics yields insight into lig...
The scattering amplitude of ultracold atoms near the p-wave magnetic Feshbach Resonance
The scattering amplitude ultracold atoms p-wave magnetic Feshbach Resonance
2010/11/9
Most of the current theories on the p-wave superfluid in cold atomic gases are based on the effective-range theory for the two-body scattering, where the low energy p-wave scattering amplitude $f_1(k)...
Making an opaque material transparent might seem like magic. But for well over a decade, physicists have been able to do just that in atomic gases using the phenomenon of electromagnetically induced t...