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HIGHLY ACCURATE CALCULATION OF THE REAL AND COMPLEX EIGENVALUES OF ONE-DIMENSIONAL ANHARMONIC OSCILLATORS



dc.contributor.authorFernández Marcelo, Francisco
dc.contributor.authorGarcia , Javier
dc.date.accessioned2018-01-18T08:11:09Z
dc.date.available2018-01-18T08:11:09Z
dc.date.issued2017
dc.identifier.citationActa Polytechnica. 2017, vol. 57, no. 6, p. 391-398.
dc.identifier.issn1210-2709 (print)
dc.identifier.issn1805-2363 (online)
dc.identifier.urihttp://hdl.handle.net/10467/73715
dc.description.abstractWe draw attention on the fact that the Riccati-Padé method developed some time ago enables the accurate calculation of bound-state eigenvalues as well as of resonances embedded either in the continuum or in the discrete spectrum. We apply the approach to several one-dimensional models that exhibit different kind of spectra. In particular we test a WKB formula for the imaginary part of the resonance in the discrete spectrum of a three-well potential.en
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherČeské vysoké učení technické v Prazecs
dc.publisherCzech Technical University in Pragueen
dc.relation.ispartofseriesActa Polytechnica
dc.relation.urihttps://ojs.cvut.cz/ojs/index.php/ap/article/view/4339
dc.rightsCreative Commons Attribution 4.0 International Licenseen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectanharmonic oscillators, bound states, resonances, Riccati-Padé method, WKB asymptotic expressionen
dc.titleHIGHLY ACCURATE CALCULATION OF THE REAL AND COMPLEX EIGENVALUES OF ONE-DIMENSIONAL ANHARMONIC OSCILLATORS
dc.typearticleen
dc.date.updated2018-01-18T08:11:09Z
dc.identifier.doi10.14311/AP.2017.57.0391
dc.rights.accessopenAccess
dc.type.statusPeer-reviewed
dc.type.versionpublishedVersion


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