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Persistent Flow in a Gas
December 14, 2007 | Research News

NIST Announces First Observation of ‘Persistent Flow' in a Gas

Using laser light to stir an ultracold gas of atoms, researchers at the National Institute of Standards and Technology (NIST) and the Joint Quantum Institute (NIST/University of Maryland) have demonstrated the first “persistent” current in an ultracold atomic gas —a frictionless flow of particles.

Diagram of experimental apparatus. Credit: C. Monroe/UMD
September 7, 2007 | Research News

First Entanglement of Two Separate Ions a Meter Apart: Photons Go the Distance

A team of physicists has exploited one of the most mysterious phenomena in nature to make a major advance toward the long-sought goal of super-fast quantum computing.

Thousands of pairs of rubidium atoms. Credit: T. Porto, NIST
July 25, 2007 | Research News

Thousands of Atoms Swap ‘Spins' with Partners in Quantum Square Dance

Physicists at the Commerce Department's National Institute of Standards and Technology (NIST) have induced thousands of atoms trapped by laser beams to swap “spins” with partners simultaneously.

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