Stability of light positronic atoms: Quantum Monte Carlo studies

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dc.contributorAalto-yliopistofi
dc.contributorAalto Universityen
dc.contributor.authorHarju, A.
dc.contributor.authorBarbiellini, B.
dc.contributor.authorNieminen, Risto M.
dc.contributor.departmentTeknillisen fysiikan laitosfi
dc.contributor.departmentDepartment of Applied Physicsen
dc.contributor.schoolPerustieteiden korkeakoulufi
dc.contributor.schoolSchool of Scienceen
dc.date.accessioned2015-09-04T10:13:19Z
dc.date.available2015-09-04T10:13:19Z
dc.date.issued1996
dc.description.abstractWe present accurate ground-state energies for the positronium atom in a Coulomb field of point charge Z (XZPs), for the positronium hydrogen (HPs) and positronium lithium (LiPs) atoms. Calculations are done using the diffusion quantum Monte Carlo (DQMC) method. For XZPs, the critical value of Z for binding is examined. While HPs is stable, the results show that LiPs is unstable against dissociation to a lithium atom and a positronium.en
dc.description.versionPeer revieweden
dc.format.extent4849-4853
dc.format.mimetypeapplication/pdfen
dc.identifier.citationHarju, A. & Barbiellini, B. & Nieminen, Risto M. 1996. Stability of light positronic atoms: Quantum Monte Carlo studies. Physical Review A. Volume 54, Issue 6. 4849-4853. ISSN 1050-2947 (printed). DOI: 10.1103/physreva.54.4849.en
dc.identifier.doi10.1103/physreva.54.4849
dc.identifier.issn1050-2947 (printed)
dc.identifier.urihttps://aaltodoc.aalto.fi/handle/123456789/17588
dc.identifier.urnURN:NBN:fi:aalto-201509024205
dc.language.isoenen
dc.publisherAmerican Physical Society (APS)en
dc.relation.ispartofseriesPhysical Review Aen
dc.relation.ispartofseriesVolume 54, Issue 6
dc.rights© 1996 American Physical Society (APS). This is the accepted version of the following article: Harju, A. & Barbiellini, B. & Nieminen, Risto M. 1996. Stability of light positronic atoms: Quantum Monte Carlo studies. Physical Review A. Volume 54, Issue 6. 4849-4853. ISSN 1050-2947 (printed). DOI: 10.1103/physreva.54.4849, which has been published in final form at http://journals.aps.org/pra/abstract/10.1103/PhysRevA.54.4849.en
dc.rights.holderAmerican Physical Society (APS)
dc.subject.keywordCoulomb fielden
dc.subject.keywordpositronium hydrogenen
dc.subject.keywordpositronium lithiumen
dc.subject.keywordatomsen
dc.subject.otherPhysicsen
dc.titleStability of light positronic atoms: Quantum Monte Carlo studiesen
dc.typeA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessäfi
dc.type.dcmitypetexten
dc.type.versionFinal published versionen
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