Evidence of Superfluidity in a Fermi Gas

Snapshots of a vibrating cloud of ultracold lithium-6 atoms. Researchers have obtained evidence that it is a superfluid, which would vibrate for a long time after being shaken.

Click on the above image to see a GIF movie of the vibrating cloud.

Images courtesy John Thomas et al., Duke University.

Reported by: J. Kinast, S. L. Hemmer, M. E. Gehm, A. Turlapov, and J. E. Thomas, Physical Review Letters, 16 April 2004

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