FESSDE, a program for the finite-element solution of the coupled-channel Schrödinger equation using high-order accuracy approximations

DOI10.1016/0010-4655(94)00107-DzbMath0873.65076MaRDI QIDQ1359812

I. V. Puzynin, A. G. Abrashkevich, D. G. Abrashkevich, Michael Kaschiev

Publication date: 16 October 1997

Published in: Computer Physics Communications (Search for Journal in Brave)

zbMATH Keywords

finite element methodsecond-order differential equationsSchrödinger equationSturm-Liouville problemsystemFORTRAN 77 program

Mathematics Subject Classification ID

Particular ordinary differential operators (Dirac, one-dimensional Schrödinger, etc.) (34L40) Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics (81Q05) Packaged methods for numerical algorithms (65Y15) Numerical solution of eigenvalue problems involving ordinary differential equations (65L15) Eigenvalues, estimation of eigenvalues, upper and lower bounds of ordinary differential operators (34L15) Software, source code, etc. for problems pertaining to ordinary differential equations (34-04)

Related Items (4)

Finite-element solution of the coupled-channel Schrödinger equation using high-order accuracy approximations ⋮ Method for numerical solution of the stationary Schrödinger equation ⋮ KANTBP: A program for computing energy levels, reaction matrix and radial wave functions in the coupled-channel hyperspherical adiabatic approach ⋮ A new method for solving an eigenvalue problem for a system of three Coulomb particles within the hyperspherical adiabatic reprentation.

Cites Work

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• Finite-element solution of the coupled-channel Schrödinger equation using high-order accuracy approximations
• ASYMPT: A program for calculating asymptotics of hyperspherical potential curves and adiabatic potentials

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