Poles of the scattering amplitude for the repulsive exponential potential: analytic and complex rotation studies
- 28 August 1982
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 15 (16) , 2689-2701
- https://doi.org/10.1088/0022-3700/15/16/017
Abstract
The quantised energies of the exponential repulsive potential are studied both with the analytical form of the scattering amplitude and with numerical procedures using a complex rotation of the radial coordinate. It is shown that the scattering amplitude can be reconstructed accurately from a finite number of its poles.Keywords
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