Título:
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Gated-controlled electron pumping in connected quantum rings
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Autores:
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Lima, R.P.A. ;
Domínguez-Adame Acosta, Francisco
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Tipo de documento:
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texto impreso
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Editorial:
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Elsevier, 2014-07-04
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Dimensiones:
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application/pdf
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Nota general:
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info:eu-repo/semantics/openAccess
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Idiomas:
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Palabras clave:
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Estado = Publicado
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Materia = Ciencias: Física: Física de materiales
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Tipo = Artículo
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Resumen:
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We study the electronic transport across connected quantum rings attached to leads and subjected to time-harmonic side-gate voltages. Using the Floquet formalism, we calculate the net pumped current generated and controlled by the side-gate voltage. The control of the current is achieved by varying the phase shift between the two side-gate voltages as well as the Fermi energy. In particular, the maximum current is reached when the side-gate voltages are in quadrature. This new design based on connected quantum rings controlled without magnetic fields can be easily integrated in standard electronic devices.
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En línea:
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https://eprints.ucm.es/id/eprint/30543/1/Dguez-Adame206preprint.pdf
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