Super Spinner: Seven-atom speck acts like superfluid | Science News

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Super Spinner: Seven-atom speck acts like superfluid

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12:31pm, October 22, 2003

Superfluids are weird liquids that flow with no friction and can perform fantastic feats, such as spontaneously crawling over the walls of containers. Theorists have proposed that quantum-mechanical interactions among even a few atoms can give rise to such behaviors.

Now, researchers in Canada have evidence for the onset of superfluidity in a droplet containing a mere seven atoms of liquid helium-4. For now, isotopes of helium are the only substances known to exhibit superfluidity, which appears at temperatures just above absolute zero (SN: 9/23/00, p. 207: Available to subscribers at Hydrogen hoops give superfluid clues).

Wolfgang Jäger an

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