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Metric measures of interparticle interaction in an exactly solvable two-electron model atom

AuthorsNagy, Istvan; Aldazabal, Íñigo
Issue Date2011
PublisherAmerican Physical Society
CitationPhysical Review A 84(3): 032516 (2011)
AbstractThe exact ground-state solutions for the model of two particles in a confining harmonic oscillator potential interacting through a repulsive harmonic oscillator force are used from the standpoint of geometric distances between wave functions and densities. The distances from the noninteracting reference state are calculated at a specified confinement by increasing the coupling of the interparticle interaction. Based on the analytic expressions for coupling-dependent geometric measures, a discussion of the Hohenberg-Kohn mapping is given. © 2011 American Physical Society.
Identifiersdoi: 10.1103/PhysRevA.84.032516
issn: 1050-2947
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