Rayleigh–Ritz variation method and connected‐moments polynomial approach

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 02 Oct 2008Embargo end date: 01 Jan 2008 English Publisher:WileyJournal:International Journal of Quantum Chemistry, volume 109, pages 717-719 (issn: 0020-7608, eissn: 1097-461X,

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Authors: Fernandez, Francisco M.;

doi: 10.1002/qua.21854 , 10.48550/arxiv.0807.1442

arXiv: 0807.1442

Rayleigh–Ritz variation method and connected‐moments polynomial approach

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Abstract

AbstractWe show that the connected‐moments polynomial approach proposed recently is equivalent to the well known Rayleigh–Ritz variation method in the Krylov space. We compare the latter with one of the original connected‐moments methods by means of a numerical test on an anharmonic oscillator. © 2008 Wiley Periodicals, Inc. Int J Quantum Chem, 2009

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National Scientific and Technical Research Council
Argentina

Keywords

FOS: Physical sciences, Mathematical Physics (math-ph), Mathematical Physics

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