CONDON, Gabriel; RABAULT, Martin; BARRETT, Brynle; CHICHET, Laure; ARGUEL, Romain; ENERIZ-IMAZ, Hodei; NAIK, Devang; BERTOLDI, Andrea; BATTELIER, Baptiste; LANDRAGIN, Arnaud; BOUYER, Philippe

doi:10.1103/PHYSREVLETT.123.240402

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CONDON, Gabriel
Laboratoire Photonique, Numérique et Nanosciences [LP2N]

RABAULT, Martin

BARRETT, Brynle
Laboratoire Photonique, Numérique et Nanosciences [LP2N]

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Physical Review Letters. 2019-12-12, vol. 123, p. 240402

American Physical Society

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2019-12-12

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We report on the all-optical production of Bose-Einstein condensates in microgravity using a combination of grey molasses cooling, light-shift engineering and optical trapping in a painted potential. Forced evaporative cooling in a 3-m high Einstein elevator results in $4 \times 10^4$ condensed atoms every 13.5 s, with a temperature as low as 35 nK. In this system, the atomic cloud can expand in weightlessness for up to 400 ms, paving the way for atom interferometry experiments with extended interrogation times and studies of ultra-cold matter physics at low energies on ground or in Space.< Leer menos

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All-Optical Bose-Einstein Condensates in Microgravity

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