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Nature 443, 403-404 (28 September 2006) | doi:10.1038/443403a; Published online 27 September 2006
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Condensed-matter physics: Coherent questions
David Snoke1
Abstract
Bose–Einstein condensation occurs when many particles enter into the same, coherent quantum state, and is now claimed to occur in various systems of 'quasiparticles' in solids. But is it the right term to use here?
The basic theory of the phenomenon known as Bose–Einstein condensation is well understood. When the temperature of a gas of integer-spin particles, or bosons, is low enough, thermo-dynamics causes a significant fraction of them to spontaneously enter a single quantum state.
- David Snoke is in the Department of Physics and Astronomy, G10 Allen Hall, 3941 O'Hara Street, Pittsburgh, Pennsylvania 15260, USA.
Email: snoke+@pitt.edu
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