Atoms that agree to differ

D. Bouwmeester and A. Zeilinger
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D. Bouwmeester: Institut für Experimentalphysik, Universität Innsbruck
A. Zeilinger: Institut für Experimentalphysik, Universität Innsbruck

Nature, 1997, vol. 388, issue 6645, 827-829

Abstract: ‘Entanglement’ is one of the oddest consequences of quantum mechanics. If two particles are entangled, they do not have individual properties, but can only be described by a collective quantum state -- even if they are widely separated in space. Entanglement between sub-atomic particles has been observed before, and now it has been seen between two atoms, which is a useful step towards the physical systems needed for quantum computing. There is no reason to believe that larger things, even macroscopic objects, cannot be entangled too.

Date: 1997
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DOI: 10.1038/42134

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