Trajectory of virtual, bound and resonant Efimov states

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dc.creatorYamashita, M. T.
dc.creatorFrederico, T.
dc.creatorTomio, L.
dc.date2007-12-07
dc.date.accessioned2026-07-07T12:29:55Z
dc.date.available2026-07-07T12:29:55Z
dc.descriptionThe pole trajectory of Efimov states for a three-body $ααβ$ system with $αα$ unbound and $αβ$ bound is calculated using a zero-range Dirac-$δ$ potential. It is showed that a three-body bound state turns into a virtual one by increasing the $αβ$ binding energy. This result is consistent with previous results for three equal mass particles. The present approach considers the $n-n-^{18}C$ halo nucleus. However, the results have good perspective to be tested and applied in ultracold atomic systems, where one can realize such three-body configuration with tunable two-body interaction.
dc.descriptionProceedings of the 20th European Conference on Few-Body Problems in Physics. To be published in Few-Body Systems
dc.identifierhttps://arxiv.org/abs/0712.1231
dc.identifierhttp://arxiv.org/abs/0712.1231
dc.identifierFew Body Syst.44:191-193,2008
dc.identifierdoi:10.1007/s00601-008-0288-5
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/215993
dc.subjectNuclear Theory
dc.titleTrajectory of virtual, bound and resonant Efimov states
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