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dc.creatorDavidović, Ljubica D.
dc.creatorArsenović, Dušan
dc.creatorDavidović, Milena
dc.creatorDavidović, Dragomir M.
dc.date.accessioned2019-04-19T14:14:24Z
dc.date.available2019-04-19T14:14:24Z
dc.date.issued2009
dc.identifier.issn1751-8113
dc.identifier.urihttp://grafar.grf.bg.ac.rs/handle/123456789/269
dc.description.abstractUsing the resolution of identity spanned by coherent states of the harmonic oscillator, any entire function of the creation and the annihilation operators and its action on a vector in Hilbert space can be defined directly and simply. We show that such a direct approach applied to non-entire functions ln (a) over cap and ln (a) over cap (dagger), present in the literature, may lead to errors and contradictions. We elucidate their roots and propose a way to avoid them. We discuss the obtained results.en
dc.relationinfo:eu-repo/grantAgreement/MESTD/MPN2006-2010/141041/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/MPN2006-2010/141003/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/MPN2006-2010/141036/RS//
dc.rightsrestrictedAccess
dc.sourceJournal of Physics A-Mathematical and Theoretical
dc.titleSubtle inconsistencies in the straightforward definition of the logarithmic function of annihilation and creation operators and a way to avoid themen
dc.typearticle
dc.rights.licenseARR
dc.citation.issue23
dc.citation.other42(23): -
dc.citation.rankM22
dc.citation.volume42
dc.identifier.doi10.1088/1751-8113/42/23/235302
dc.identifier.rcubconv_1496
dc.identifier.scopus2-s2.0-70449506537
dc.identifier.wos000266287500011
dc.type.versionpublishedVersion


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