Collisions of Atoms in Microwave and Laser Fields

  • B. J. Verhaar
  • H. T. C. Stoof
Conference paper


In order to Bose condense spin-polarized atomic hydrogen, a few types of traps have been proposed to isolate the atoms from the walls where recombination takes place. Recently, Agosta and Silvera [1] proposed a microwave trap operating on the b-c electron spin-flip transition at ~ 5 tesla. They made a preliminary calculation of the collisional relaxation loss of atoms in such a trap using dressed atom states. In this contribution the relaxation rates are worked out more completely. Although we mention only the microwave trap explicitly, our theoretical techniques apply also to laser traps.


Relaxation Rate Rabi Frequency Preliminary Calculation Unbind State Bare State 
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  1. 1.
    C.C. Agosta and I.F. Silvera, Contribution to Conference on Spin Polarized Quantum Systems, Torino 1988.Google Scholar
  2. 2.
    A. Lagendijk, I.F. Silvera, and B.J. Verhaar, Phys. Rev. B33, 626 (1986); H.T.C. Stoof, J.M.V.A. Koelman, and B.J. Verhaar, to be published (Phys. Rev. B38 ).Google Scholar

Copyright information

© Springer-Verlag Berlin, Heidelberg 1989

Authors and Affiliations

  • B. J. Verhaar
    • 1
  • H. T. C. Stoof
    • 1
  1. 1.Eindhoven University of TechnologyThe Netherlands

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