Three-body problem in a dilute bose-Einstein condensate.

  title={Three-body problem in a dilute bose-Einstein condensate.},
  author={Thorsten K{\"o}hler},
  journal={Physical review letters},
  volume={89 21},
We derive the explicit three-body contact potential for a dilute condensed Bose gas from microscopic theory. The three-body coupling constant exhibits the general form predicted by Wu [Phys. Rev. 115, 1390 (1959)]] and is determined in terms of the amplitudes of two- and three-body collisions in vacuum. In the present form, the coupling constant becomes… CONTINUE READING

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