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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Lobo Boneth, Cristian Andrés. | - |
dc.date.accessioned | 2024-10-01T20:27:53Z | - |
dc.date.available | 2023-03-01 | - |
dc.date.available | 2024-10-01T20:27:53Z | - |
dc.date.issued | 2023 | - |
dc.identifier.citation | Lobo Boneth, C. A. (2022). Métodos analíticos para el cálculo de la auto-energía del electrón en QED [Trabajo de Grado Pregrado, Universidad de Pamplona]. Repositorio Hulago Universidad de Pamplona. http://repositoriodspace.unipamplona.edu.co/jspui/handle/20.500.12744/9050 | es_CO |
dc.identifier.uri | http://repositoriodspace.unipamplona.edu.co/jspui/handle/20.500.12744/9050 | - |
dc.description | En este trabajo se realizó el cálculo de la auto-energía del electrón en electrodinámica cuántica al orden de un-loop utilizando el método diagramático basado en las reglas de Feynman, a partir del cual se pudo construir la amplitud de este observable físico. Debido a que se encontraron divergencias ultravioletas en las integrales que componen la amplitud, fue necesario aplicar un procedimiento de regularización dimensional que permitió aislar las singularidades en forma de polos simples y además separar la parte finita que contiene la información teórica necesaria para realizar predicciones físicas. Se usó la parametrización de Feynmman para escribir la amplitud en términos de integrales escalares cuya solución es conocida analíticamente y depende de funciones especiales como la función gamma de Euler o la función logaritmo en el plano complejo. Finalmente, se implementó un código en el lenguaje simbólico Wolfram Mathematica, con ayuda de los paquetes FeynArts y FeynCalc, el cual permitió obtener una expresión analítica para la auto-energía del electrón que coincide con la encontrada por el método diagramático de Feynman salvo por algunas constantes que sin embargo se pueden absorber en las divergencias. | es_CO |
dc.description.abstract | El autor no proporciona la información sobre este ítem. | es_CO |
dc.format.extent | 79 | es_CO |
dc.format.mimetype | application/pdf | es_CO |
dc.language.iso | es | es_CO |
dc.publisher | Universidad de Pamplona – Facultad de Ciencias Básicas. | es_CO |
dc.subject | Auto-energía del electrón. | es_CO |
dc.subject | Diagramas de Feynmann. | es_CO |
dc.subject | Regularización. | es_CO |
dc.subject | Dimensional. | es_CO |
dc.subject | Funciones de Green. | es_CO |
dc.subject | Mathematica. | es_CO |
dc.title | Métodos analíticos para el cálculo de la auto-energía del electrón en QED. | es_CO |
dc.type | http://purl.org/coar/resource_type/c_7a1f | es_CO |
dc.date.accepted | 2022-12-01 | - |
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dc.rights.accessrights | http://purl.org/coar/access_right/c_abf2 | es_CO |
dc.type.coarversion | http://purl.org/coar/resource_type/c_2df8fbb1 | es_CO |
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