Excitation of Rydberg Atoms in a Bose-Einstein Condensate

The authors performed experiments on the coherent dynamics of Rydberg excitation in thermal clouds of 87 Rb for a wide range of atomic densities, single-atom Rabi-frequencies and excitation times in a specialized vacuum chamber. We further observed a clear signature of the phase transition to a Bose...

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Bibliographic Details
Main Authors: Low, R., Heidemann, R., Raitzsch, U., Bendkowsky, V., Butscher, B., Pfau, T.
Format: Conference Proceeding
Language:English
Subjects:
Atomic measurements
Clouds
Cooling
Dark states
Excitons
Frequency
Quantum dots
Resonance
Scalability
Stationary state
Online Access:Request full text
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Summary:The authors performed experiments on the coherent dynamics of Rydberg excitation in thermal clouds of 87 Rb for a wide range of atomic densities, single-atom Rabi-frequencies and excitation times in a specialized vacuum chamber. We further observed a clear signature of the phase transition to a Bose-Einstein condensate in the fraction of excited Rydberg atoms when cooling the thermal cloud below T c . In our experiments the sample size is bigger than the so called blockade radius, which is defined as the interatomic distance where the interaction energy becomes equal to the power broadened linewidth of the excitation.
DOI:10.1109/CLEOE-IQEC.2007.4386734