KANTBP: A program for computing energy levels, reaction matrix and radial wave functions in the coupled-channel hyperspherical adiabatic approach

DOI10.1016/J.CPC.2007.05.016zbMath1196.81283OpenAlexW2114026223MaRDI QIDQ710148

O. Chuluunbaatar, A. G. Abrashkevich, Michael Kaschiev, S. I. Vinitskij, Sigurd Yves Larsen, Alexander Gusev, Alejandro Amaya-Tapia

Publication date: 18 October 2010

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

Full work available at URL: https://doi.org/10.1016/j.cpc.2007.05.016

zbMATH Keywords

finite element methodordinary differential equationshyperspherical coordinatesKantorovich methodhigh-order accuracy approximationsR-matrix calculations\texttt{KANTBP}eigenvalue and multi-channel scattering problemsmulti-channel adiabatic approximation

Mathematics Subject Classification ID

Atomic physics (81V45) Software, source code, etc. for problems pertaining to quantum theory (81-04)

Related Items (10)

Metastable states of a composite system tunneling through repulsive barriers ⋮ Model of Diatomic Homonuclear Molecule Scattering by Atom or Barriers ⋮ ODPEVP: A program for computing eigenvalues and eigenfunctions and their first derivatives with respect to the parameter of the parametric self-adjoined Sturm-Liouville problem ⋮ KANTBP 3.1: a program for computing energy levels, reflection and transmission matrices, and corresponding wave functions in the coupled-channel and adiabatic approaches ⋮ POTHEA: a program for computing eigenvalues and eigenfunctions and their first derivatives with respect to the parameter of the parametric self-adjoined 2D elliptic partial differential equation ⋮ Symbolic-Numeric Algorithms for Computer Analysis of Spheroidal Quantum Dot Models ⋮ POTHMF: A program for computing potential curves and matrix elements of the coupled adiabatic radial equations for a hydrogen-like atom in a homogeneous magnetic field ⋮ KANTBP 2.0: new version of a program for computing energy levels, reaction matrix and radial wave functions in the coupled-channel hyperspherical adiabatic approach ⋮ KANTBP ⋮ Symbolic-Numerical Algorithms for Solving Parabolic Quantum Well Problem with Hydrogen-Like Impurity

Cites Work

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• Connections and effective S-matrix in triangle representation for quantum scattering
• FESSDE, a program for the finite-element solution of the coupled-channel Schrödinger equation using high-order accuracy approximations
• A new method for solving an eigenvalue problem for a system of three Coulomb particles within the hyperspherical adiabatic reprentation.
• ASYMPT: A program for calculating asymptotics of hyperspherical potential curves and adiabatic potentials
• A symbolic-numerical algorithm for the computation of matrix elements in the parametric eigenvalue problem
• Three identical particles on a line: comparison of some exact and approximate calculations
• Calculation of a hydrogen atom photoionization in a strong magnetic field by using the angular oblate spheroidal functions

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