Box-based convergent close-coupling method for solving Coulomb few-body problems

I. Bray; K. Bartschat; A.T. Stelbovics

doi:10.1103/PhysRevA.67.060704

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Box-based convergent close-coupling method for solving Coulomb few-body problems

Journal article

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Peer reviewed

Box-based convergent close-coupling method for solving Coulomb few-body problems

I. Bray, K. Bartschat and A.T. Stelbovics

Physical Review A - Atomic, Molecular, and Optical Physics, Vol.67(6)

2003

DOI: https://doi.org/10.1103/PhysRevA.67.060704

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Abstract

We present an implementation of the convergent close-coupling (CCC) method, in which the Laguerre-based target states are replaced with box-based eigenstates. Discrete energies are obtained by taking the states that vanish at the box radius R0, with convergence being established by simply varying R0. Excellent agreement between box- and Laguerre-based CCC, exterior complex scaling, and renormalized experiment is obtained for one of the most difficult three-body Coulomb breakup problems, near-threshold electron-impact ionization of atomic hydrogen. The simplicity of the box-based CCC method is expected to lead to a greater understanding of the close-coupling formalism generally.

Details

Title: Box-based convergent close-coupling method for solving Coulomb few-body problems
Authors/Creators: I. Bray (Author/Creator) - Murdoch University
K. Bartschat (Author/Creator) - Murdoch University
A.T. Stelbovics (Author/Creator) - Murdoch University
Publication Details: Physical Review A - Atomic, Molecular, and Optical Physics, Vol.67(6)
Publisher: 2010 The American Physical Society
Identifiers: 991005545122407891
Copyright: © 2003 The American Physical Society
Murdoch Affiliation: School of Mathematical and Physical Sciences
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 2 Chemistry; 2.15 Physical Chemistry; 2.15.664 Dissociative Electron Attachment
Web Of Science research areas: Optics; Physics, Atomic, Molecular & Chemical
ESI research areas: Physics