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- First-principles quantum dynamics with 150,000 atoms: correlations in a BEC collision
- Deuar, Piotr; Drummond, P. D.
- While the GP equation or perturbation theory (e.g. Bogoliubov excitations) can often used to describe the dynamics of macroscopic quantum gases of bosons, experimental situations where these are inaccurate are now common. BEC collisions are an example of this---the scattered atoms can build up sufficient phase-space density (one or more particles per mode) to stimulate coherent scattering out of the condensate into localised 'phase-grains' while remaining dephased from the main condensate and other phase-grains.
- Publication type
- Conference paper
- Proceedings of the European Conference on Lasers and Electro-Optics and the International Quantum Electronics Conference (CLEO/IQEC 2007), Munich, Germany, 17-22 June 2007
- Publication year
- Atomic collisions; BEC collision; Bosons; Coherent scattering; First-principles quantum dynamics; Phase-space density
- 9781424409310, 1424409314
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- Copyright © 2007 IEEE. Published version of the paper reproduced here in accordance with the copyright policy of the publisher. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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