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Physics World

Superfluidity spotted in Fermi gas

Published May 1, 2004• 0 citations
Publisher

Abstract

Research groups in the US and Austria say that they have found the best evidence to date for superfluidity – the flow of a fluid without resistance – in a Fermi gas made of ultracold lithium-6 atoms.
DOI
10.1088/2058-7058/17/5/8

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Physicists are getting closer and closer to the holy grail of research into ultracold atomic gases – the observation of superfluidity in a Fermi gas. Research groups in Austria and the US have recently taken a major step towards this goal by creating a Bose–Einstein condensate of bosonic molecules from a gas of fermionic atoms. If the atoms can be persuaded to form weakly bound pairs, rather than molecules, physicists hope to learn more about the basic mechanisms responsible for superconductivity.