Please use this identifier to cite or link to this item: https://hdl.handle.net/10316/4639
DC FieldValueLanguage
dc.contributor.authorBebiano, N.-
dc.contributor.authorLemos, R.-
dc.contributor.authorProvidência, J. da-
dc.date.accessioned2008-09-01T11:35:43Z-
dc.date.available2008-09-01T11:35:43Z-
dc.date.issued2004en_US
dc.identifier.citationLinear Algebra and its Applications. 381:(2004) 259-279en_US
dc.identifier.urihttps://hdl.handle.net/10316/4639-
dc.description.abstractCreation and annihilation operators are used in quantum physics as the building blocks of linear operators acting on Hilbert spaces of many body systems. In quantum physics, pairing operators are defined in terms of those operators. In this paper, spectral properties of pairing operators are studied. The numerical ranges of pairing operators are investigated. In the context of matrix theory, the results give the numerical ranges of certain infinite tridiagonal matrices.en_US
dc.description.urihttp://www.sciencedirect.com/science/article/B6V0R-4BJX7FG-4/1/084ff34d503f0458e9a05b1c7ddb426een_US
dc.format.mimetypeaplication/PDFen
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectNumerical rangeen_US
dc.subjectUnbounded linear operatoren_US
dc.titleNumerical ranges of unbounded operators arising in quantum physicsen_US
dc.typearticleen_US
dc.identifier.doi10.1016/j.laa.2003.09.019-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.openairetypearticle-
item.cerifentitytypePublications-
item.grantfulltextopen-
item.fulltextCom Texto completo-
item.languageiso639-1en-
crisitem.author.deptFaculty of Sciences and Technology-
crisitem.author.parentdeptUniversity of Coimbra-
crisitem.author.researchunitCMUC - Centre for Mathematics of the University of Coimbra-
crisitem.author.orcid0000-0003-4215-3067-
Appears in Collections:FCTUC Matemática - Artigos em Revistas Internacionais
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