Structure and correlations in two-dimensional Coulomb confined classical artificial atoms

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dc.creatorFerreira, W. P.
dc.creatorMatulis, A.
dc.creatorFarias, G. A.
dc.creatorPeeters, F. M.
dc.date2002-11-01
dc.date.accessioned2026-07-07T02:48:02Z
dc.date.available2026-07-07T02:48:02Z
dc.descriptionThe ordering of N equally charged particles (-e) moving in two dimensions and confined by a Coulomb potential, resulting from a displaced positive charge Ze is discussed. This is a classical model system for atoms. We obtain the configurations of the charged particles which, depending on the value of N and Z, may result in ring structures, hexagonal-type configurations and for N/Z~1 in an inner structure of particles which is separated by an outer ring of particles. For N/Z<<1 the Hamiltonian of the parabolic confinement case is recovered. For N/Z~1 the configurations are very different from those found in the case of a parabolic confinement potential. A hydrodynamic analysis is presented in order to highlight the correlations effects.
dc.description9 pages, 11 figures. Submitted to Phys. Rev. E. RevTeX4 format
dc.identifierhttps://arxiv.org/abs/cond-mat/0211023
dc.identifierhttp://arxiv.org/abs/cond-mat/0211023
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/20243
dc.subjectStrongly Correlated Electrons
dc.titleStructure and correlations in two-dimensional Coulomb confined classical artificial atoms
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