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Study of transport and exitonic related optical phenomenain lowdimensional semiconductor structures.

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dc.contributor.authorGranada E., Juan Carlos
dc.contributor.authorPorras Montenegro, Nelson
dc.contributor.authorCalero Q., Jesús María
dc.contributor.corporatenameUniversidad del Valle (Cali, Colombia)spa
dc.contributor.researchgroupFísica teórica del estado solido
dc.coverage.projectdates2001-2004spa
dc.date.accessioned2020-03-14T02:33:00Z
dc.date.accessioned2020-12-17T22:22:54Z
dc.date.available2020-03-14T02:33:00Z
dc.date.available2020-12-17T22:22:54Z
dc.date.issued2004-03
dc.description.abstractIn this project it is proposed to study the transport phenomena with in-plane applied magnetic fields in double barrier semiconductor heterostructures as well as the role of the channels offered by impurity states provided by well-on-center located impurities in this kind of structures Also we will study excited excitonic states in low dimensional semiconductor heterostructures, such as in quantum well-wires, quantum dots and in single and coupled double quantum wells. Special attention will be devoted to the study of the dependence of the excitonic binding energy with the size of the structure, with the interaction with doping impurities, with applied electric and magnetic fields. The calculation of the optical response due to excitonic states will be carefully studied. For the study of the transport properties in low-dimensional semiconductors we will employ the Green function technique developed by Keldysh for non-equilibrium systems. For the study of excited excitonic states in low dimensional semiconductor heterostructures we will use the effective mass approximation within the variational scheme and alternatively we will use the fractional dimension approach. We will compare our results with recent theoretical and experimental reports.spa
dc.format.extent[105] páginas.spa
dc.identifier.instnameColcienciasspa
dc.identifier.reponameRepositorio Colcienciasspa
dc.identifier.repourlhttp://colciencias.metabiblioteca.com.cospa
dc.identifier.urihttps://colciencias.metadirectorio.org/handle/11146/38139
dc.language.isoengspa
dc.relation.ispartofseriesInforme;
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.accessrightshttp://purl.org/coar/access_right/c_abf2spa
dc.rights.creativecommonshttps://creativecommons.org/licenses/by/4.0/spa
dc.subject.proposalQuantum dotsspa
dc.subject.proposalExcitonsspa
dc.subject.proposalSemiconductorspa
dc.subject.proposalQuantum wellsspa
dc.subject.proposalQuantum wiresspa
dc.titleStudy of transport and exitonic related optical phenomenain lowdimensional semiconductor structures.spa
dc.typeInforme de investigaciónspa
dc.type.coarhttp://purl.org/coar/resource_type/c_18wsspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/reportspa
dc.type.redcolhttps://purl.org/redcol/resource_type/PIDspa
dc.type.versioninfo:eu-repo/semantics/submittedVersionspa
dc.type.versionhttp://purl.org/coar/version/c_71e4c1898caa6e32spa
dc.type.versioninfo:eu-repo/semantics/submittedVersionspa
dcterms.audienceEstudiantes, Profesores, Comunidad científica colombiana, etc.spa
dspace.entity.typePublication
oaire.awardnumber11060511498spa
oaire.funderidentifier.colciencias265-2001
oaire.fundernameDepartamento Administrativo de Ciencia, Tecnología e Innovación [CO] Colcienciasspa
oaire.fundingstreamPrograma Nacional en Ciencias Básicasspa
oaire.objetivesTo search for a further understanding of the role playing by the competion between geometrical confinement, electric and magnetic field as well as the impurity channels on the optical and transport properties of low-dimensional semiconductor structures.spa

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