Re-entrant pinning of Wigner molecules in a magnetic field due to a Coulomb impurity

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dc.creatorSzafran, B.
dc.creatorPeeters, F. M.
dc.date2004-05-05
dc.date.accessioned2026-07-07T02:57:59Z
dc.date.available2026-07-07T02:57:59Z
dc.descriptionPinning of magnetic-field induced Wigner molecules (WMs) confined in parabolic two-dimensional quantum dots by a charged defect is studied by an exact diagonalization approach. We found a re-entrant pinning of the WMs as function of the magnetic field, a magnetic field induced re-orientation of the WMs and a qualitatively different pinning behaviour in the presence of a positive and negative Coulomb impurity.
dc.identifierhttps://arxiv.org/abs/cond-mat/0405081
dc.identifierhttp://arxiv.org/abs/cond-mat/0405081
dc.identifierEurophys. Lett. 66 (2004) 701-707
dc.identifierdoi:10.1209/epl/i2003-10250-8
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/23895
dc.subjectMesoscale and Nanoscale Physics
dc.titleRe-entrant pinning of Wigner molecules in a magnetic field due to a Coulomb impurity
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