Calculation of three-body resonances using slow-variable discretization coupled with complex absorbing potential

Details Calculation of three-body resonances using slow-variable discretization coupled with complex absorbing potential Calculation of three-body resonances using slow-variable discretization coupled with complex absorbing potential

2006-12-27

arxiv.org/abs/physics/0612242v3

Physics

Atomic Physics

23 pages, 10 figures

Scientific paper

We developed a method to calculate positions and widths of three-body resonances. The method combines the hyperspherical adiabatic approach, slow variable discretization method (Tolstikhin et al., J. Phys. B: At. Mol. Opt. Phys. 29, L389 (1996)), and a complex absorbing potential. The method can be used to obtain resonances having short-range or long-range wave functions. In particular, we applied the method to obtain very shallow three-body Efimov resonances for a model system (Nielsen et al., Phys. Rev. A 66, 012705 (2002)).

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