Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1862000 | Physics Letters A | 2007 | 6 Pages |
Abstract
We apply the method of Dalgarno and Lewis to scattering states and discuss the choice of the unperturbed model in order to have a convergent perturbation series for the phase shift. We show that a recently proposed approach is a particular case of the method of Dalgarno and Lewis.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Physics and Astronomy (General)
Authors
Paolo Amore, Francisco M. Fernández,