KANTBP 3.0: New Version of a Program for Computing Energy Levels, Reflection and Transmission Matrices, and Corresponding Wave Functions in the Coupled-Channel Adiabatic Approach

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  • Authors: Gusev AA1, Chuluunbaatar O2, Vinitsky SI1, Abrashkevich AG3
  • Affiliations:
    1. Joint Institute for Nuclear Research
    2. National University of Mongolia, Mongolia
    3. IBM Toronto Lab
  • Issue: No 2 (2014)
  • Pages: 342-349
  • Section: Articles
  • URL: http://journals.rudn.ru/miph/article/view/8389
  • Cite item

Abstract


Brief description of a FORTRAN 77 program for calculating energy values, refection and transmission matrices, and corresponding wave functions in a coupled-channel approximation of the adiabatic approach is presented. In this approach, a multidimensional Schr¨odinger equation is reduced to a system of the coupled second-order ordinary differential equations on a finite interval with the homogeneous boundary conditions of the third type at the leftand right-boundary points for continuous spectrum problem, or a set of first, second and third type boundary conditions for discrete spectrum problem. The resulting system of these equations containing the potential matrix elements and first-derivative coupling terms is solved using high-order accuracy approximations of the finite element method.

About the authors

A A Gusev

Joint Institute for Nuclear Research

Email: gooseff@jinr.ru. тел.: +7 (49621) 63536

O Chuluunbaatar

National University of Mongolia, Mongolia

Email: chuka@jinr.ru
School of Mathematics and Computer Science

S I Vinitsky

Joint Institute for Nuclear Research

Email: vinitsky@theor.jinr.ru

A G Abrashkevich

IBM Toronto Lab

Email: aabrashk@ca.ibm.com

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Copyright (c) 2014 Гусев А.А., Чулуунбаатар О., Виницкий С.И., Абрашкевич А.Г.

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This work is licensed under a Creative Commons Attribution 4.0 International License.

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