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Estudio termomagnético de un ferrimagneto tipo ising de espines mixtos S=3/2 Y σ=5/2

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dc.contributor.advisorEspriella Vélez, Nicolás Antonio De Laspa
dc.contributor.authorPonnefz Durango, Pablo Cesarspa
dc.date.accessioned2020-11-12T23:09:15Zspa
dc.date.available2020-11-12T23:09:15Zspa
dc.date.issued2020-11-12spa
dc.description.abstractAplicamos técnicas de simulación Monte Carlo para estudiar el comportamiento magnético de un sistema de Ising mixto en una red cuadrada, donde los espines S=±3/2,±1/2 se alternan con los espines σ=±5/2,±3/2,±1/2 en dos subredes interpenetrantes A y B, respectivamente. El Hamiltoniano del sistema contiene una interacción ferrimagnética a vecinos más cercanos y un campo magnético longitudinal. Calculamos la dependencia de la magnetización total, las magnetizaciones de las subredes, la energía y la susceptibilidad magnética, con el campo magnético y su dependencia con la temperatura para un campo fijo. Descubrimos que bajo la influencia del campo magnético el sistema antes mencionado presenta un fenómeno interesante asociado con una inversión de las magnetizaciones de subredes a bajas temperaturas. Descubrimos que nuestro sistema no tiene temperaturas de compensación. Además, vemos que el campo magnético suaviza la transición entre la fase ordenada y la paramagnética. Finalmente presentamos un diagrama de fase con las temperaturas críticas en términos del campo magnético.spa
dc.description.degreelevelPregradospa
dc.description.degreenameFísico(a)spa
dc.description.tableofcontentsResumen 1spa
dc.description.tableofcontentsCapítulo 1 Introducción 2spa
dc.description.tableofcontentsCapítulo 2 Materiales magnéticos y modelo de Ising 5spa
dc.description.tableofcontentsCapítulo 3 Resultados y análisis 19spa
dc.description.tableofcontentsCapítulo 4 Conclusiones 29spa
dc.description.tableofcontentsApéndice A Solución analítica a los modelos de Ising 1D y 2D 30spa
dc.description.tableofcontentsApéndice B Descripción del método Monte Carlo 37spa
dc.description.tableofcontentsReferencias bibliográficas 44spa
dc.format.mimetypeapplication/pdfspa
dc.identifier.urihttps://repositorio.unicordoba.edu.co/handle/ucordoba/3582spa
dc.language.isospaspa
dc.publisher.facultyFacultad de Ciencias Básicasspa
dc.publisher.programFísicaspa
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dc.rightsCopyright Universidad de Córdoba, 2020spa
dc.rights.accessrightsinfo:eu-repo/semantics/restrictedAccessspa
dc.rights.creativecommonsAtribución-NoComercial-SinDerivadas 4.0 Internacional (CC BY-NC-ND 4.0)spa
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/spa
dc.subject.keywordsFerrimagneticing
dc.subject.keywordsMonte Carlospa
dc.subject.keywordsSpinsing
dc.subject.keywordsHamiltonianing
dc.subject.keywordsMagnetizationsing
dc.subject.keywordsMagnetic fielding
dc.titleEstudio termomagnético de un ferrimagneto tipo ising de espines mixtos S=3/2 Y σ=5/2spa
dc.typeTrabajo de grado - Pregradospa
dc.type.coarhttp://purl.org/coar/resource_type/c_7a1fspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/bachelorThesisspa
dc.type.redcolhttps://purl.org/redcol/resource_type/TPspa
dc.type.versioninfo:eu-repo/semantics/submittedVersionspa
dspace.entity.typePublication
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa
oaire.versionhttp://purl.org/coar/version/c_ab4af688f83e57aaspa
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