How can the Bose-Einstein condensate grow?


How does the  Bose-Einstein condensate grow ?

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A three-dimensional reconstruction of the optical absorption in an atomic cloud -
the passage from a thermal sample to a pure condensate.

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Is the condensate useful?

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"Galileo-Heisenberg" experiment: a free falling of the condensate in 7 ms after turning off the trapping field. According to the uncertainity rule , the condensate, at the beginnining "compressed" in a vertical  direction, has a bigger spread of speeds in this direction.



Photos are from LENS laboratory in Firenze and are published thanks to prof. M. Inguscio.


© GK