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Universality in Four-Body Scattering

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Abstract

The four-body system is studied in the limit of large two-body scattering length by solving momentum-space integral equations for the transition operators or, alternatively, configuration-space equations for wave function. A number of universal results for atom-trimer and dimer–dimer scattering observables are found. We furthermore address the question whether the universal four-body systems contain additional states besides the known two S-wave states.

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Authors and Affiliations

  1. Centro de Física Nuclear da Universidade de Lisboa, 1649-003, Lisbon, Portugal

    A. Deltuva

  2. IPHC, IN2P3-CNRS/Université Louis Pasteur, BP 28, 67037, Strasbourg Cedex 2, France

    R. Lazauskas

  3. Fundamental Physics, Chalmers University of Technology, 41296, Gothenburg, Sweden

    L. Platter

Authors
  1. A. Deltuva
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  2. R. Lazauskas
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  3. L. Platter
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Correspondence to A. Deltuva.

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Special issue devoted to Efimov physics.

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Deltuva, A., Lazauskas, R. & Platter, L. Universality in Four-Body Scattering. Few-Body Syst 51, 235–247 (2011). https://doi.org/10.1007/s00601-011-0227-8

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