Bose-Einstein Condensation of {sup 84}Sr

We report Bose-Einstein condensation of {sup 84}Sr in an optical dipole trap. Efficient laser cooling on the narrow intercombination line and an ideal s-wave scattering length allow the creation of large condensates (N{sub 0}approx3x10{sup 5}) even though the natural abundance of this isotope is onl...

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Bibliographic Details
Published in:Physical review letters 2009-11, Vol.103 (20)
Main Authors: Martinez de Escobar, Y. N., Mickelson, P. G., Yan, M., DeSalvo, B. J., Nagel, S. B., Killian, T. C.
Format: Article
Language:English
Subjects:
ABUNDANCE
ALKALINE EARTH ISOTOPES
BOSE-EINSTEIN CONDENSATION
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
DIMENSIONS
DIPOLES
EVEN-EVEN NUCLEI
INTERMEDIATE MASS NUCLEI
ISOTOPES
LASERS
LENGTH
MULTIPOLES
NUCLEI
PARTIAL WAVES
S WAVES
SCATTERING LENGTHS
STABLE ISOTOPES
STRONTIUM 84
STRONTIUM ISOTOPES
TIME-OF-FLIGHT METHOD
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Summary:We report Bose-Einstein condensation of {sup 84}Sr in an optical dipole trap. Efficient laser cooling on the narrow intercombination line and an ideal s-wave scattering length allow the creation of large condensates (N{sub 0}approx3x10{sup 5}) even though the natural abundance of this isotope is only 0.6%. Condensation is heralded by the emergence of a low-velocity component in time-of-flight images.
ISSN:0031-9007
1079-7114
DOI:10.1103/PHYSREVLETT.103.200402