Research NewsPhysics

A New Recipe for Atom Condensates

Science  31 Jan 1997:
Vol. 275, Issue 5300, pp. 617
DOI: 10.1126/science.275.5300.617b

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A group at the University of Colorado and the National Institute of Standards and Technology in Boulder has serendipitously created two Bose-Einstein condensates—each one a crowd of atoms in a single quantum state—in a supercooled magnetic trap. Their cooling technique worked directly on only one of the condensates, but the other one cooled “sympathetically,” which suggests that the strategy could be used to condense