Net current generation in a 1D quantum ring at zero magnetic field

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dc.creatorGylfadottir, Sigridur Sif
dc.creatorNita, Marian
dc.creatorGudmundsson, Vidar
dc.creatorManolescu, Andrei
dc.date2004-02-24
dc.date.accessioned2026-07-07T02:56:38Z
dc.date.available2026-07-07T02:56:38Z
dc.descriptionWe study a non-adiabatic excitation of an electron system in a 1D quantum ring radiated by a short THz pulse. The response of two models, a continuous and discrete, is explored. By introducing a spatial asymmetry in the external perturbation a net current can be generated in the ring at a zero magnetic field. Effect of impurities and ratchets are investigated in combination with symmetric and asymmetric external excitation.
dc.descriptionLaTeX 4 pages with 6 embedded postscript figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0402582
dc.identifierhttp://arxiv.org/abs/cond-mat/0402582
dc.identifierPhysica E27, 278 (2005)
dc.identifierdoi:10.1016/j.physe.2004.12.002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/23399
dc.subjectMesoscale and Nanoscale Physics
dc.titleNet current generation in a 1D quantum ring at zero magnetic field
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