Bose-Einstein condensation at constant temperature

We present an experimental approach to Bose-Einstein condensation by increasing the particle number of the system at almost constant temperature. In particular, the emergence of a new condensate is observed in multicomponent F=1 spinor condensates of {sup 87}Rb. Furthermore, we develop a simple rate...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2004-09, Vol.70 (3), Article 031602
Main Authors: Erhard, M., Schmaljohann, H., Kronjäger, J., Bongs, K., Sengstock, K.
Format: Article
Language:English
Subjects:
ATOMIC AND MOLECULAR PHYSICS
BOSE-EINSTEIN CONDENSATION
MATHEMATICAL MODELS
RUBIDIUM 87
SPINORS
THERMODYNAMICS
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Summary:We present an experimental approach to Bose-Einstein condensation by increasing the particle number of the system at almost constant temperature. In particular, the emergence of a new condensate is observed in multicomponent F=1 spinor condensates of {sup 87}Rb. Furthermore, we develop a simple rate-equation model for multicomponent Bose-Einstein condensate thermodynamics at finite temperature which well reproduces the measured effects.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.70.031602