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TitleUsing ion production to monitor the birth and death of a metastable helium Bose Einstein condensate
Author(s)Seidelin, S.
Sirjean, O.
Gomes, J. Viana
Boiron, D.
Westbrook, C. I.
Aspect, A.
KeywordsBose-einstein condensate
Cold atoms
Condensate formation
Metastable helium
Penning collisions
Issue date2003
JournalJournal of Optics B: Quantum and Semiclassical Optics
Abstract(s)We d i s cuss observations of the ion flux from a cloud of trapped 23S1metastable helium atoms. Both Bose–Einstein condensates (BEC) andthermal clouds were investigated. The ion flux is compared withtime-of-flight observations of the expanded cloud. We show data concerningBEC formation anddecay, as well as measurements of two-and three-bodyionization rate constants. We also discuss possible improvements andextensions of our results.
AccessRestricted access (UMinho)
Appears in Collections:CDF - CEP - Artigos/Papers (with refereeing)

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