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Cosmic dynamo equation under cosmological perturbation theory at first order

dc.rights.licenseAtribución-NoComercial 4.0 Internacional
dc.contributor.advisorHortúa Orjuela, Hector Javier
dc.contributor.advisorCastañeda Colorado, Leonardo
dc.contributor.authorBravo Cárdenas, Juan Felipe
dc.date.accessioned2023-02-06T15:31:25Z
dc.date.available2023-02-06T15:31:25Z
dc.date.issued2022
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/83313
dc.descriptionilustraciones
dc.description.abstractEn este trabajo se pretende dar una introducción a las perturbaciones cosmológicas y aplicaciones desde el punto de vista de la Relatividad numérica, en particular se muestra como se pueden aplicar estas perturbaciones al formalismo 3+1. Las perturbaciones cosmológicas se dan a primer orden sobre la solución espacialmente plana de Friedman-Lemaitre-Robertson-Walker (FLRW), esto con miras a obtener la ecuación de dínamo cosmológico, bajo la aproximación de dínamo cinemático, para poder estudiar la evolución de los campos magnéticos primordiales y su amplificación. También se mostrará el estudio computacional de perturbaciones cosmológicas a partir de la Relatividad Numérica haciendo uso del software Einstein Toolkit, se hace énfasis en FLRWSolver para la solución numérica de las ecuaciones de campo de Einstein desde el punto de vista cosmológico. (Texto tomado de la fuente)
dc.description.abstractThis thesis aims to give an introduction to cosmological perturbations and their applications from the point of view of numerical relativity, in particular it shows how these perturbations can be applied to the 3+1 formalism. The cosmological perturbations are given up to first order on the spatially flat Friedman-Lemaitre-Robertson-Walker (FLRW) solution, this looking to obtaining the cosmological dynamo equation, under the kinematic-dynamo approximation, in order to study the evolution of primordial magnetic fields and their amplification. The computational study of cosmological perturbations from Numerical Relativity will also be shown using the Einstein Toolkit software, emphasizing FLRWSolver for the numerical solution of the Einstein field equations from the cosmological point of view.
dc.format.extentix, 93 páginas
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherUniversidad Nacional de Colombia
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.titleCosmic dynamo equation under cosmological perturbation theory at first order
dc.typeTrabajo de grado - Maestría
dc.type.driverinfo:eu-repo/semantics/masterThesis
dc.type.versioninfo:eu-repo/semantics/acceptedVersion
dc.publisher.programBogotá - Ciencias - Maestría en Ciencias - Astronomía
dc.contributor.researchgroupGrupo de Astronomía Galáctica, gravitación y cosmología
dc.description.degreelevelMaestría
dc.description.degreenameMagíster en Ciencias - Astronomía
dc.description.researchareaGravitación, Relatividad General, Cosmologia, Relatividad Numérica
dc.identifier.instnameUniversidad Nacional de Colombia
dc.identifier.reponameRepositorio Institucional Universidad Nacional de Colombia
dc.identifier.repourlhttps://repositorio.unal.edu.co/
dc.publisher.facultyFacultad de Ciencias
dc.publisher.placeBogotá, Colombia
dc.publisher.branchUniversidad Nacional de Colombia - Sede Bogotá
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dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.subject.armarcSpace sciences
dc.subject.lembCiencias del espacio
dc.subject.lembCampos magnéticos
dc.subject.lembMagnetic fields
dc.subject.proposalCosmología
dc.subject.proposalRelatividad Numérica
dc.subject.proposalCampos magnéticos cosmológicos
dc.subject.proposalEinstein Toolkit
dc.subject.proposalFLRWSolver
dc.subject.proposalCosmology
dc.subject.proposalNumerical Relativity
dc.subject.proposalCosmological magnetic fields
dc.title.translatedEcuación de dínamo cosmológica bajo teoría de perturbaciones cosmológicas a primer orden
dc.type.coarhttp://purl.org/coar/resource_type/c_bdcc
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aa
dc.type.contentText
dc.type.redcolhttp://purl.org/redcol/resource_type/TM
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2
oaire.fundernameMinisterio de Ciencia y Tecnología


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Atribución-NoComercial 4.0 InternacionalEsta obra está bajo licencia internacional Creative Commons Reconocimiento-NoComercial 4.0.Este documento ha sido depositado por parte de el(los) autor(es) bajo la siguiente constancia de depósito