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Contact Interaction Model for Three-Body Systems

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Abstract.

 We propose an extended contact interaction model (also referred to as zero-range potential) for three-body systems. The model utilizes the effective range and shape parameters in the boundary condition of the contact interaction. The Thomas collapse is removed. The proposed model is tested against atomic helium trimers and is shown to provide an adequate quantitative description of these systems.

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Authors and Affiliations

  1. Institute of Physics and Astronomy, University of Århus, DK-8000 Århus C, Denmark, , , , , , DK

    D. V. Fedorov & A. S. Jensen

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  1. D. V. Fedorov
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  2. A. S. Jensen
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Received October 23, 2001; accepted for publication November 5, 2001

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Fedorov, D., Jensen, A. Contact Interaction Model for Three-Body Systems. Few-Body Systems 31, 229–234 (2002). https://doi.org/10.1007/s006010200026

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  • DOI: https://doi.org/10.1007/s006010200026

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