Collective coordinates, shape transitions and shape coexistence: a microscopic approach

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dc.creatorNakatsukasa, Takashi
dc.creatorWalet, Niels R.
dc.date1998-07-30
dc.date.accessioned2026-07-07T11:11:48Z
dc.date.available2026-07-07T11:11:48Z
dc.descriptionWe investigate a description of shape-mixing and shape-transitions using collective coordinates. To that end we apply a theory of adiabatic large-amplitude motion to a simplified nuclear shell-model, where the approximate results can be contrasted with exact diagonalisations. We find excellent agreement for different regimes, and contrast the results with those from a more standard calculation using a quadrupole constraint. We show that the method employed in this work selects diabatic (crossing) potential energy curves where these are appropriate, and discuss the implications for a microscopic study of shape coexistence.
dc.description20 pages, including 6 ps files
dc.identifierhttps://arxiv.org/abs/nucl-th/9807078
dc.identifierhttp://arxiv.org/abs/nucl-th/9807078
dc.identifierPhys.Rev.C58:3397-3406,1998
dc.identifierdoi:10.1103/PhysRevC.58.3397
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/191216
dc.subjectNuclear Theory
dc.titleCollective coordinates, shape transitions and shape coexistence: a microscopic approach
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