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Perturbation of eigenvalues embedded at a threshold

journal contribution
posted on 2023-06-08, 15:52 authored by A Jensen, Michael MelgaardMichael Melgaard
Results are obtained on perturbation of eigenvalues and resonances (half-bound states) embedded at at threshold. The results are obtained in a two-channel framework for small off-diagonal perturbations. The results are based on given asymptotic expansions of the component Hamiltonians.

History

Publication status

  • Published

Journal

Proceedings of the Royal Society of Edinburgh: Section A Mathematics

ISSN

0308-2105

Publisher

Cambridge University Press

External DOI

Issue

1

Volume

132

Page range

163-179

Department affiliated with

  • Mathematics Publications

Full text available

  • No

Peer reviewed?

  • Yes

Legacy Posted Date

2013-09-19

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    University of Sussex (Publications)

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