Bose-Einstein condensation at constant temperature

2004/01/31 by M. Erhard, H. Schmaljohann, J. Kronjäger +4
Physics and Astronomy · #Advanced Thermodynamics and Statistical Mechanics #Cold Atom Physics and Bose-Einstein Condensates #Quantum, superfluid, helium dynamics #cond-mat.soft

paper · pdf · doi:10.1103/physreva.70.031602

4 pages, 3 figures, RevTeX

arxiv created 2004/01/31 · openalex publication_date 2004/09/08 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01

Abstract

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 ⁸⁷Rb. Furthermore, we develop a simple rate-equation model for multicomponent Bose-Einstein condensate thermodynamics at finite temperature which well reproduces the measured effects.

Citations

• Observation of Bose-Einstein Condensation in a Dilute Atomic Vapor
• Thermodynamics of an interacting trapped Bose-Einstein gas in the classical field approximation
• Phase-Fluctuating 3D Bose-Einstein Condensates in Elongated Traps
• Observation of Spinor Dynamics in Optically TrappedRb<mml:mprescripts/><mml:none/>87Bose-Einstein Condensates