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Donor impurity states and related optical response in a lateral coupled dot-ring system under applied electric field
dc.creator | Correa J. Mora-Ramos M.E. | spa |
dc.creator | Duque C.A. | spa |
dc.date.accessioned | 2015-10-09T13:17:47Z | |
dc.date.available | 2015-10-09T13:17:47Z | |
dc.date.created | 2015 | |
dc.identifier.issn | 9214526 | |
dc.identifier.uri | http://hdl.handle.net/11407/1343 | |
dc.description.abstract | A study on the effects of an externally applied electric field on the linear optical absorption and relative refractive index change associated with transitions between off-center donor impurity states in laterally coupled quantum dot-ring system is reported. Electron states are calculated within the effective mass and parabolic band approximations by means of an exact diagonalization procedure. The states and the optical response in each case show significant sensitivity to the geometrical distribution of confining energies as well as to the strength of the applied field. | eng |
dc.language.iso | eng | |
dc.publisher | Elsevier | spa |
dc.relation.isversionof | http://www.sciencedirect.com/science/article/pii/S0921452615300582 | spa |
dc.source | Scopus | spa |
dc.type | Article | eng |
dc.rights.accessrights | info:eu-repo/semantics/restrictedAccess | |
dc.rights.accessrights | info:eu-repo/semantics/restrictedAccess | |
dc.contributor.affiliation | Departamento de Ciencias Básicas, Universidad de Medellín, Medellín, Colombia | spa |
dc.contributor.affiliation | Centro de Investigación en Ciencias, Instituto de Ciencias Básicas y Aplicadas, Universidad Autonoma Del Estado de Morelos, Av. Universidad 1001, Cuernavaca, Morelos, Mexico | spa |
dc.contributor.affiliation | Instituto de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia UdeA, Calle 70 No. 52-21, Medellín, Colombia | spa |
dc.identifier.doi | 10.1016/j.physb.2015.05.012 | |
dc.subject.keyword | Electric fields | eng |
dc.subject.keyword | Electromagnetic wave absorption | eng |
dc.subject.keyword | Light absorption | eng |
dc.subject.keyword | Quantum theory | eng |
dc.subject.keyword | Refractive index | eng |
dc.subject.keyword | Semiconductor quantum dots | eng |
dc.subject.keyword | Coupled quantum dots | eng |
dc.subject.keyword | Donor impurity state | eng |
dc.subject.keyword | Dot-ring system | eng |
dc.subject.keyword | Exact diagonalization | eng |
dc.subject.keyword | Geometrical distribution | eng |
dc.subject.keyword | Optical response | eng |
dc.subject.keyword | Parabolic bands | eng |
dc.subject.keyword | Refractive index changes | eng |
dc.subject.keyword | Semiconductor quantum wells | eng |
dc.relation.ispartofen | Physica B: Condensed Matter, september 2015, volume 472, pp 25-33 | eng |
dc.title.english | Donor impurity states and related optical response in a lateral coupled dot-ring system under applied electric field | eng |
dc.type.driver | info:eu-repo/semantics/article |
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