Persistent currents due to point obstacles

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dc.creatorCheon, Taksu
dc.creatorExner, Pavel
dc.date2002-02-26
dc.date.accessioned2026-07-07T12:47:17Z
dc.date.available2026-07-07T12:47:17Z
dc.descriptionWe discuss properties of the two-dimensional Landau Hamiltonian perturbed by a family of identical $δ$ potentials arranged equidistantly along a closed loop. It is demonstrated that for the loop size exceeding the effective size of the point obstacles and the cyclotronic radius such a system exhibits persistent currents at the bottom of the spectrum. We also show that the effect is sensitive to a small disorder.
dc.description13 pages 14 figures
dc.identifierhttps://arxiv.org/abs/quant-ph/0202147
dc.identifierhttp://arxiv.org/abs/quant-ph/0202147
dc.identifierPhysics Letters A307 (2003) 209-214
dc.identifierdoi:10.1016/S0375-9601(02)01719-X
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/221672
dc.subjectQuantum Physics
dc.subjectMesoscale and Nanoscale Physics
dc.titlePersistent currents due to point obstacles
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