A Factorization of the S-Matrix into Jost Matrices
A. F. Krutov, D. I. Muravyev, V. E. Troitsky
Abstract
An effective algebraic approach to S--matrix factorization into Jost matrices is developed in the case of coupled channels. The Jost matrix is given as a solution of boundary value Riemann -- Hilbert problem. A rational form is assumed for tangent of mixing angle, while there is no limitations for approximation of phase shifts.
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