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29 March 2024
 
  » arxiv » physics/0208065

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Evanescent-wave trapping and evaporative cooling of an atomic gas near two-dimensionality
M. Hammes ; D. Rychtarik ; B. Engeser ; H.-C. Nägerl ; R. Grimm ;
Date 16 Aug 2002
Journal Phys. Rev. Lett. 90, 173001 (2003) DOI: 10.1103/PhysRevLett.90.173001
Subject General Physics | physics.gen-ph
AbstractA dense gas of cesium atoms at the crossover to two-dimensionality is prepared in a highly anisotropic surface trap that is realized with two evanescent light waves. Temperatures as low as 100nK are reached with 20.000 atoms at a phase-space density close to 0.1. The lowest quantum state in the tightly confined direction is populated by more than 60%. The system offers intriguing prospects for future experiments on degenerate quantum gases in two dimensions.
Source arXiv, physics/0208065
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