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Title

The weakly bound ground state of the LiHe_2 triatomic system

AuthorsBaccarelli, Isabella; Delgado Barrio, Gerardo ; Gianturco, Franco Antonio; González-Lezana, Tomás ; Miret-Artés, Salvador ; Villarreal, Pablo
Issue Date2000
PublisherRoyal Society of Chemistry (UK)
CitationPhysical Chemistry Chemical Physics 2: 4067-4073 (2000)
AbstractWe confirm the existence of and study the location and spatial shape for the ground bound state of the triatomic system that contains one lithium (6Li or 7Li) atom and two boson helium partners. The computational method employed involves a variationally determined multi-center expansion over Gaussian functions of variable width, as discussed in our previous recent work. The overall behavior of this very diffuse, bound wave-function with zero angular momentum is analyzed in detail to extract specific indicators on its spatial features. The strength of the available three-particle interaction is arbitrarily scaled in order to investigate the possible appearance of either halo or Efimov states in the present system.
URIhttp://hdl.handle.net/10261/76659
DOI10.1039/B002415P
Identifiersdoi: 10.1039/B002415P
issn: 1463-9076
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