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AC transport through a quantum dot: From Kondo to Coulomb-blockade behaviour

AuthorsLópez, Rosa ; Aguado, Ramón ; Platero, Gloria ; Tejedor, C.
Issue Date2000
CitationPhysica E: Low-Dimensional Systems and Nanostructures 6: 379-381 (2000)
AbstractWe analyze the conductance (G) of a quantum dot (QD) in an AC potential at finite temperature. The Friedel-Langreth sum rule (FLSR) is generalized to include the effect of an AC potential and finite T. We have solved the Anderson Hamiltonian by means of a self-consistent procedure which fulfills the generalized FLSR. New features are found in the density of states (DOS) and in G when an AC voltage is applied. Our model describes the effect of an AC potential on the transition from Kondo regime to a Coulomb-blockade behaviour as T increases.
Identifiersdoi: 10.1016/S1386-9477(99)00188-5
issn: 1386-9477
Appears in Collections:(IFISC) Artículos
(IMEDEA) Artículos
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