Article

 

Thermally Induced Losses in Ultra-Cold Atoms Magnetically Trapped Near Room-Temperature Surfaces Público Deposited

https://scholar.colorado.edu/concern/articles/8336h2492
Abstract
  • We have measured magnetic trap lifetimes of ultra-cold ⁸⁷Rb atoms at distances of 5–1000 µm from surfaces of conducting metals with varying resistivity. Good agreement is found with a theoretical model for losses arising from near-field magnetic thermal noise, confirming the complications associated with holding trapped atoms close to conducting surfaces. A dielectric surface (silicon) was found in contrast to be so benign that we are able to evaporatively cool atoms to a Bose–Einstein condensate by using the surface to selectively adsorb higher energy atoms.
Creator
Date Issued
  • 2003-11-01
Academic Affiliation
Journal Title
Journal Issue/Number
  • 3
Journal Volume
  • 133
File Extent
  • 229-238
Última modificação
  • 2019-12-05
Resource Type
Declaração de direitos
DOI
  • 10.1023/A:1026084606385
ISSN
  • 0022-2291
Language

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