Three-body physics with multichannel two-body interactions

ORAL

Abstract

Atoms with internal hyperfine states (denoted by A, A', etc.) split by an external magnetic field are governed by complicated multichannel pair-wise interactions. We consider a simplified zero-range multichannel model designed to mimic atom-atom scattering near a Feshbach resonance. Our simple two-body interaction leads to a wide variety of rich physics at the three-body level absent in single channel models. Using a novel approach, we solve the three-body hyperangular Lippman-Schwinger equation and obtain adiabatic potential curves showing all available reaction channels and pathways for three-body proceses. This work is funded in part by the NSF.

*This work was supported in part by the National Science Foundation.

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Authors

  • Nirav P. Mehta

    • JILA, University of Colorado, Boulder CO, 80309
    • JILA, University of Colorado, Boulder

  • Seth Rittenhouse

    • JILA and Dept. of Physics, University of Colorado, Boulder CO, 80309

  • Jose D'Incao

    • JILA, University of Colorado, Boulder CO, 80309

  • Chris Greene

    • JILA and Dept. of Physics, University of Colorado, Boulder CO, 80309