Quantum state of a trapped Bose-Einstein condensate

The quantum state of a single symmetry-broken condensate at zero temperature is calculated using perturbative techniques. For a fixed mean number of atoms, the state is found to closely approximate a number squeezed state. We propose a means of experimentally testing this state, based on the periodi...

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Bibliographic Details
Published in:	Physics letters. A Vol. 245; no. 1; pp. 49 - 54
Main Authors:	Dunningham, J.A., Collett, M.J., Walls, D.F.
Format:	Journal Article
Language:	English
Published:	Elsevier B.V 10-08-1998
Subjects:	Bose-Einstein condensation Phase diffusion Quantum state 05.30.Jp Quantum state 03.75.Fi Phase diffusion Bose-Einstein condensation
Online Access:	Get full text
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Summary:	The quantum state of a single symmetry-broken condensate at zero temperature is calculated using perturbative techniques. For a fixed mean number of atoms, the state is found to closely approximate a number squeezed state. We propose a means of experimentally testing this state, based on the periodic collapses and revivals of its phase.
ISSN:	0375-9601 1873-2429
DOI:	10.1016/S0375-9601(98)00386-7