Abstract
Trial T matrices depending only on the wave vector difference ki−kf have been employed to obtain optimum elastic scattering amplitudes. These amplitudes are the values assumed by a variational functional evaluated at the optimum trial T and thus have a more complex dependence on ki and kf than the trial T. By way of illustration, two examples are presented: scattering from an attractive Yukawa potential, and scattering from an attractive well. In both instances the results compare very favorably with other methods of solution.
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