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ABSTRACT

Brown 2000

Brown, D., 2000: A recursive Kohn variational algorithm for the Green's operator: application to the T-matrix. Chem. Phys., 259, 11-26, doi:10.1016/S0301-0104(00)00151-8.

A recursive version of the Kohn variational principle for the Green's operator is presented. An expression for the off-shell T-matrix is derived which is valid in the presence of a hard wall potential and which is conveniently evaluated using the recursive algorithm. The off-shell T-matrix elements for scattering systems with and without hard wall components to the potential are computed using this algorithm.

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