Collective and independent-particle motion in two-electron artificial atoms

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dc.creatorYannouleas, Constantine
dc.creatorLandman, Uzi
dc.date2000-03-14
dc.date2000-08-28
dc.date.accessioned2026-07-07T12:33:04Z
dc.date.available2026-07-07T12:33:04Z
dc.descriptionInvestigations of the exactly solvable excitation spectra of two-electron quantum dots with a parabolic confinement, for different values of the parameter R_W expressing the relative magnitudes of the interelectron repulsion and the zero-point kinetic energy of the confined electrons, reveal for large R_W a remarkably well-developed ro-vibrational spectrum associated with formation of a linear trimeric rigid molecule composed of the two electrons and the infinitely heavy confining dot. This spectrum transforms to one characteristic of a "floppy" molecule for smaller values of R_W. The conditional probability distribution calculated for the exact two-electron wave functions allows for the identification of the ro-vibrational excitations as rotations and stretching/bending vibrations, and provides direct evidence pertaining to the formation of such molecules.
dc.descriptionPublished version. Latex/Revtex, 5 pages with 2 postscript figures embedded in the text. For related papers, see http://www.prism.gatech.edu/~ph274cy
dc.identifierhttps://arxiv.org/abs/cond-mat/0003245
dc.identifierhttp://arxiv.org/abs/cond-mat/0003245
dc.identifierPhys.Rev.Lett.85:1726,2000
dc.identifierdoi:10.1103/PhysRevLett.85.1726
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/216998
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStrongly Correlated Electrons
dc.subjectNuclear Theory
dc.subjectAtomic Physics
dc.titleCollective and independent-particle motion in two-electron artificial atoms
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