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Variational calculation of positronium-helium-atom scattering length

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dc.contributor.authorAdhikari, Sadhan K. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:20:17Z
dc.date.available2014-05-27T11:20:17Z
dc.date.issued2001-08-01
dc.description.abstractA basis-set calculation scheme for S-waves Ps-He elastic scattering below the lowest inelastic threshold was formulated using a variational expression for the transition matrix. The scheme was illustrated numerically by calculating the scattering length in the electronic doublet state: a=1.0±0.1 a.u.en
dc.description.affiliationInstituto de Fisica Teorica Universidade Estadual Paulista, 01.405-900 São Paulo, SP
dc.description.affiliationUnespInstituto de Fisica Teorica Universidade Estadual Paulista, 01.405-900 São Paulo, SP
dc.identifierhttp://dx.doi.org/10.1103/PhysRevA.64.022702
dc.identifier.citationPhysical Review A. Atomic, Molecular, and Optical Physics, v. 64, n. 2, 2001.
dc.identifier.doi10.1103/PhysRevA.64.022702
dc.identifier.file2-s2.0-4244119367.pdf
dc.identifier.issn1050-2947
dc.identifier.scopus2-s2.0-4244119367
dc.identifier.urihttp://hdl.handle.net/11449/66558
dc.identifier.wosWOS:000170297300047
dc.language.isoeng
dc.relation.ispartofPhysical Review A: Atomic, Molecular, and Optical Physics
dc.relation.ispartofsjr1,288
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectAtoms
dc.subjectElectrons
dc.subjectFermions
dc.subjectGreen's function
dc.subjectGround state
dc.subjectHelium
dc.subjectIntegration
dc.subjectMatrix algebra
dc.subjectNonlinear equations
dc.subjectPolynomials
dc.subjectVectors
dc.subjectElastic scattering
dc.subjectLegendre polynomials
dc.subjectPositronium
dc.subjectSchrodinger equation
dc.subjectSchwinger variational method
dc.subjectTransition matrix
dc.subjectWave functions
dc.subjectZero-energy elastic cross section
dc.subjectScattering
dc.titleVariational calculation of positronium-helium-atom scattering lengthen
dc.typeArtigo
dcterms.licensehttp://publish.aps.org/authors/transfer-of-copyright-agreement
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Física Teórica (IFT), São Paulopt

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São Paulo - IFT - Instituto de Física Teórica