CPM{P, N} methods extended for the solution of coupled channel Schrödinger equations
作者： V. Ledoux , M. Van Daele , G. Vanden Berghe
DOI: 10.1016/J.CPC.2005.10.009
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摘要: Abstract The successful CPM { P , N } methods for the one-dimensional time-independent Schrodinger problem are generalized to coupled channel case. derivation of formulae is discussed and a Maple program code included which allows determine analytic expressions perturbation corrections needed construct different orders. Some numerical illustrations given showing accuracy, robustness CPU-time gain proposed algorithms over sixth order LILIX method was presented in [L.Gr. Ixaru, LILIX—A package solution equation, Comput. Phys. Comm. 147 (2002) 834–852].
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