Publicación: Análisis ferromagnético de la configuración bosónica-fermiónica de espines (S_i^A = 3, S_j^B = 5/2)
dc.contributor.advisor | Espriella Vélez, Nicolas Antonio de la | |
dc.contributor.advisor | Madera Yances, Julio Cesar | |
dc.contributor.author | Hernández Herazo, Richard Manuel | |
dc.contributor.jury | TORRES HOYOS, FRANCISCO JOSE | |
dc.contributor.jury | Ortega Lopez, César | |
dc.date.accessioned | 2025-07-05T19:43:57Z | |
dc.date.available | 2025-07-05T19:43:57Z | |
dc.date.issued | 2025-07-03 | |
dc.description.abstract | En el presente trabajo se investiga el comportamiento térmico y magnético de un sistema ferromagnético bosónico-fermiónico de espines S_i^A = 3 y S_j^B = 5/2, alternados en una red cuadrada bipartita, mediante un modelo de Ising mixto, usando simulaciones Monte Carlo y condiciones de borde periódicas. El Hamiltoniano del sistema contiene interacciones de intercambio a primeros y segundos vecinos, campos cristalinos y un campo magnético longitudinal. Se calculan las magnetizaciones totales y de las subredes, la energía y la susceptibilidad magnética en función de la temperatura, para diferentes valores de las anisotropías (D_A, D_B), y el campo magnético externo (h). Los resultados muestran que el ferromagneto experimenta transiciones de fase continuas y discontinuas, en los intervalos -5 ≤ D_A < 4 y campo h < 0. Las transiciones discontinuas se destruyen cuando el sistema es sometido a campos positivos. En el análisis del comportamiento histérico del sistema en función de las anisotropías y acoplamientos de intercambio, se hallaron lazos simétricos y rectangulares, así como también fenómenos superparamagnéticos. | spa |
dc.description.degreelevel | Pregrado | |
dc.description.degreename | Físico(a) | |
dc.description.modality | Trabajos de Investigación y/o Extensión | |
dc.description.tableofcontents | 1 Introducción | spa |
dc.description.tableofcontents | 2 Marco teórico | spa |
dc.description.tableofcontents | 2.0.1 Magnetización e inducción magnética | spa |
dc.description.tableofcontents | 2.0.2 Susceptibilidad y permeabilidad | spa |
dc.description.tableofcontents | 2.0.3 Materiales magnéticos | spa |
dc.description.tableofcontents | 2.0.4 Tipos de materiales magnéticos | spa |
dc.description.tableofcontents | 2.0.5 Interacciones magnéticas | spa |
dc.description.tableofcontents | 2.0.6 Energía de intercambio | spa |
dc.description.tableofcontents | 2.0.7 Transiciones de fase | spa |
dc.description.tableofcontents | 2.0.8 Modelo Ising | spa |
dc.description.tableofcontents | 2.0.9 Método Monte Carlo | spa |
dc.description.tableofcontents | 3 Resultados y análisis | spa |
dc.description.tableofcontents | 3.1 Modelo y Hamiltoniano de interacción | spa |
dc.description.tableofcontents | 3.2 Variables termodinámicas del sistema | spa |
dc.description.tableofcontents | 3.3 Efecto anisotrópico sobre el ferromagneto | spa |
dc.description.tableofcontents | 3.3.1 Influencia sobre la magnetización | spa |
dc.description.tableofcontents | 3.3.2 Influencia sobre la susceptibilidad magnética (χ_T) | spa |
dc.description.tableofcontents | 3.3.3 Influencia sobre la energía (E) | spa |
dc.description.tableofcontents | 3.3.4 Efectos sobre la temperatura | spa |
dc.description.tableofcontents | 3.4 Comportamiento histérico del ferromagneto | spa |
dc.description.tableofcontents | 3.4.1 Modelo J_AB – J_SA – D; T = 5 | spa |
dc.description.tableofcontents | 3.4.2 Modelo J_AB – J_SA – J_SB – D; T = 5 | spa |
dc.description.tableofcontents | 3.4.3 Modelo J_AB – J_SA – D_A – D_B; T = 5 | spa |
dc.description.tableofcontents | 3.4.4 Modelo J_AB – J_SA – D_A – D_B; T = 10 | spa |
dc.description.tableofcontents | 3.4.5 Modelo J_AB – D_A – D_B; T = 10 | spa |
dc.description.tableofcontents | 4 Conclusiones | spa |
dc.format.mimetype | application/pdf | |
dc.identifier.instname | Universidad de Córdoba | |
dc.identifier.reponame | Repositorio Universidad de Córdoba | |
dc.identifier.repourl | https://repositorio.unicordoba.edu.co/ | |
dc.identifier.uri | https://repositorio.unicordoba.edu.co/handle/ucordoba/9276 | |
dc.language.iso | spa | |
dc.publisher | Universidad de Córdoba | |
dc.publisher.faculty | Facultad de Ciencias Básicas | |
dc.publisher.place | Montería, Córdoba, Colombia | |
dc.publisher.program | Física | |
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dc.rights | Copyright Universidad de Córdoba, 2025 | |
dc.rights.accessrights | info:eu-repo/semantics/openAccess | |
dc.rights.coar | http://purl.org/coar/access_right/c_abf2 | |
dc.rights.license | Atribución-NoComercial-SinDerivadas 4.0 Internacional (CC BY-NC-ND 4.0) | |
dc.rights.uri | https://creativecommons.org/licenses/by-nc-nd/4.0/ | |
dc.subject.keywords | Ferromagnet | eng |
dc.subject.keywords | Mixed Ising model | eng |
dc.subject.keywords | Discontinuous transition | eng |
dc.subject.keywords | Superparamagnetism | eng |
dc.subject.proposal | Ferromagneto | spa |
dc.subject.proposal | Modelo de Ising mixto | spa |
dc.subject.proposal | Transición discontinua | spa |
dc.subject.proposal | Superparamagnetismo | spa |
dc.title | Análisis ferromagnético de la configuración bosónica-fermiónica de espines (S_i^A = 3, S_j^B = 5/2) | spa |
dc.type | Trabajo de grado - Pregrado | |
dc.type.coar | http://purl.org/coar/resource_type/c_7a1f | |
dc.type.coarversion | http://purl.org/coar/version/c_ab4af688f83e57aa | |
dc.type.content | Text | |
dc.type.driver | info:eu-repo/semantics/bachelorThesis | |
dc.type.version | info:eu-repo/semantics/acceptedVersion | |
dspace.entity.type | Publication |
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