UNUSUALLY STRONG ATTRACTION IN THE PRESENCE OF CONTINUUM BOUND-STATE

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dc.contributor.authorDelfino, A.
dc.contributor.authorAdhikari, S. K.
dc.contributor.authorTomio, L.
dc.contributor.authorFrederico, T.
dc.contributor.institutionUniversidade Federal Fluminense (UFF)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionFLINDERS UNIV
dc.contributor.institutionCTR TECN AEROESP
dc.date.accessioned2014-05-20T15:19:40Z
dc.date.available2014-05-20T15:19:40Z
dc.date.issued1992-11-01
dc.description.abstractThe result of few-particle ground-state calculation employing a two-particle nonlocal potential supporting a continuum bound state in addition to a negative-energy bound state has occasionally revealed unusually strong attraction in producing a very strongly bound ground state. In the presence of the continuum bound state the difference of phase shift between zero and infinite energies has an extra jump of pi as in the presence of an additional bound state. The wave function of the continuum bound state is identical with that of a strongly bound negative-energy state, which leads us to postulate a pseudo bound state in the two-particle system in order to explain the unexpected attraction. The role of the Pauli forbidden states is expected to be similar to these pseudo states.en
dc.description.affiliationUNIV FED FLUMINENSE,DEPT FIS,BR-24210 NITEROI,RJ,BRAZIL
dc.description.affiliationUNIV ESTADUAL PAULISTA,INST FIS TEOR,BR-01405 SAO PAULO,BRAZIL
dc.description.affiliationFLINDERS UNIV,SCH PHYS SCI,BEDFORD PK,SA 5042,AUSTRALIA
dc.description.affiliationCTR TECN AEROESP,INST ESTUD AVANCADOS,BR-12231 S JOSE CAMPO,SP,BRAZIL
dc.description.affiliationUnespUNIV ESTADUAL PAULISTA,INST FIS TEOR,BR-01405 SAO PAULO,BRAZIL
dc.format.extent1612-1616
dc.identifierhttp://dx.doi.org/10.1103/PhysRevC.46.1612
dc.identifier.citationPhysical Review C. College Pk: American Physical Soc, v. 46, n. 5, p. 1612-1616, 1992.
dc.identifier.doi10.1103/PhysRevC.46.1612
dc.identifier.fileWOSA1992JX83200010.pdf
dc.identifier.issn0556-2813
dc.identifier.lattes8031087349809439
dc.identifier.urihttp://hdl.handle.net/11449/31099
dc.identifier.wosWOS:A1992JX83200010
dc.language.isoeng
dc.publisherAmerican Physical Soc
dc.relation.ispartofPhysical Review C
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.titleUNUSUALLY STRONG ATTRACTION IN THE PRESENCE OF CONTINUUM BOUND-STATEen
dc.typeArtigo
dcterms.licensehttp://publish.aps.org/authors/transfer-of-copyright-agreement
dcterms.rightsHolderAmerican Physical Soc
unesp.author.lattes8031087349809439
unesp.author.orcid0000-0002-5497-5490[4]
unesp.campusUniversidade Estadual Paulista (Unesp), Instituto de Física Teórica (IFT), São Paulopt

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