A Gauss elimination method for resonances |
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| Authors: | John P Killingbeck Alain Grosjean |
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| Institution: | 1. Institut Utinam (CNRS UMR 6213), 41 bis Avenue del’Observatoire, BP 1615, 25010, Besancon Cedex, France
2. Centre for Mathematics, University of Hull, Loten Building, Hull, HU6 7RX, UK
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| Abstract: | A Gaussian elimination form of inverse iteration within the complex coordinate approach is shown to produce a simple uniform method of finding both real bound state energies and complex resonant state energies for several problems, which have been treated by a variety of methods in the literature. The energy shift method for expectation values is shown to be a useful diagnostic tool. |
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