Evidence for Symplectic Symmetry in Ab Initio No-Core Shell Model Results for Light Nuclei

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dc.creatorDytrych, Tomas
dc.creatorSviratcheva, Kristina D.
dc.creatorBahri, Chairul
dc.creatorDraayer, Jerry P.
dc.creatorVary, James P.
dc.date2007-04-09
dc.date.accessioned2026-07-07T10:35:28Z
dc.date.available2026-07-07T10:35:28Z
dc.descriptionClear evidence for symplectic symmetry in low-lying states of $^{12}$C and $^{16}$O is reported. Eigenstates of $^{12}$C and $^{16}$O, determined within the framework of the no-core shell model using the JISP16 $NN$ realistic interaction, typically project at the 85-90% level onto a few of the most deformed symplectic basis states that span only a small fraction of the full model space. The results are nearly independent of whether the bare or renormalized effective interactions are used in the analysis. The outcome confirms Elliott's \SU{3} model which underpins the symplectic scheme, and above all, points to the relevance of a symplectic no-core shell model that can reproduce experimental B(E2) values without effective charges as well as deformed spatial modes associated with clustering phenomena in nuclei.
dc.description4 pages, 3 figures, to be published in Physics Review Letters
dc.identifierhttps://arxiv.org/abs/0704.1108
dc.identifierhttp://arxiv.org/abs/0704.1108
dc.identifierPhys.Rev.Lett.98:162503,2007
dc.identifierdoi:10.1103/PhysRevLett.98.162503
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/179760
dc.subjectNuclear Theory
dc.titleEvidence for Symplectic Symmetry in Ab Initio No-Core Shell Model Results for Light Nuclei
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