Elsevier

Chemical Physics Letters

Volume 149, Issue 3, 19 August 1988, Pages 257-264
Chemical Physics Letters

A pointwise representation of the s-matrix Kohn variational principle for quantum scattering

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Abstract

A method is proposed for reducing the complexity of scattering calculations carried out using the Kohn variational principle. The technique is based upon the use of a pointwise representation for the L2 part of the basis set and eliminates the need to explicitly evaluate any integrals involving such functions. Application to potential and inelastic scattering test cases show the method to be of good accuracy.

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