2001/11/15 by L. Plaja, Luis Plaja, L. Santos
Physics and Astronomy · #Cold Atom Physics and Bose-Einstein Condensates #Mechanical and Optical Resonators #Quantum Mechanics and Applications #cond-mat
paper · pdf · doi:10.1103/physreva.65.035602
4 pages, 3 figs, Accepted for publication in Phys. Rev. A
arxiv created 2001/11/15 · openalex publication_date 2002/02/01 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
The expansion of a Bose-Einstein condensate in an atomic waveguide is analyzed. We study different regimes of expansion, and identify a transient regime between one-dimensional and three-dimensional dynamics, in which the properties of the condensate and its further expansion can be well explained by reducing the transversal dynamics to a two-level system. The relevance of this regime in current experiments is discussed.