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Study of electronic, optical, transport and critical properties of semiconductor and superconductor ring-like systems

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dc.contributor.authorCalero Quintero, Jesús María
dc.contributor.corporatenameUniversidad del Valle (Colombia)spa
dc.coverage.projectdates2004-2007spa
dc.date.accessioned2020-10-07T22:28:52Z
dc.date.accessioned2020-12-17T23:16:20Z
dc.date.available2020-10-07T22:28:52Z
dc.date.available2020-12-17T23:16:20Z
dc.date.issued2007-05
dc.description.abstractIn this project it is proposed to study the electronic, optical, transport and critical properties of semiconductor and superconductor ring-like systems. The main objective of the project is to consider the effect of the reduction of dimensionality and the presence of a non-trivial topology on some properties in such semiconductor and superconductor systems. In particular, the following problems will be considered: (i) Tunnelling through single- and double barrier heterostructures including the effects of applied magnetic fields, of self-consistent charge distributions as well as the effects of impurity states and self-assembled quantum dots. (ii) Study of exciton states and Aharonov-Bohm Oscillations in quantum rings. (iii) Study of magnetic properties of mesoscopic superconducting disks and rings for various different states of flux quantization. For the study of the problems involved we will use the effective mass approximation within the variational scheme, the Green function technique developed for non-equilibrium systems by Keldysh. For the description of the quantum rings we will employ a single particle picture, in the frame of an adiabatic approximation. The variational procedure will be used in order to solve the Ginzburg-Landau equations for the order parameter in the case of type-II superconducting disks and rings. This proposal is planned to be developed in 36 months, starting on 01 January 2004. It stipulates the involvement of a recent Ph.D.(who was supported by COLCIENCIAS during his doctoral formation) and it is intented to contribute to the training of human resources by offering research problems for 2 Ph. D., 4 Master and 4 undergraduate students. It is considered the collaboration with two national condensed matter groups and with two international assesors.spa
dc.description.notesTextos en español e inglés
dc.format.extent84 páginas.spa
dc.identifier.instnameColcienciasspa
dc.identifier.reponameRepositorio Colcienciasspa
dc.identifier.repourlhttp://colciencias.metabiblioteca.com.cospa
dc.identifier.urihttps://colciencias.metadirectorio.org/handle/11146/38733
dc.language.isospaspa
dc.relation.ispartofseriesInforme;
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.accessrightshttp://purl.org/coar/access_right/c_abf2spa
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.proposalElectrónicaspa
dc.subject.proposalMateriales conductoresspa
dc.subject.proposalFísicaspa
dc.subject.proposalSuperconductorspa
dc.subject.proposalSemiconductorspa
dc.titleStudy of electronic, optical, transport and critical properties of semiconductor and superconductor ring-like systemsspa
dc.typeInforme de investigaciónspa
dc.type.coarhttp://purl.org/coar/resource_type/c_93fcspa
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
dc.type.versionhttp://purl.org/coar/version/c_71e4c1898caa6e32spa
dcterms.audienceEstudiantes, Profesores, Comunidad científica colombiana, etc.spa
dspace.entity.typePublication
oaire.awardnumber11060513828spa
oaire.funderidentifier.colciencias024-2004
oaire.fundernameDepartamento Administrativo de Ciencia, Tecnología e Innovación [CO] Colcienciasspa
oaire.fundingstreamPrograma Nacional en Ciencias Básicasspa
oaire.objetivesOur main objective is to consider the effect of the reduction of dimensionality and the presence of a non-trivial topology on some optical, magnetic and transport properties of semiconductor and superconductor systems.spa

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