Aspectos generales acerca de la energía oscura
dataload.collectionmapped | 02 - Mestrado - Física | pt_BR |
dataload.filenamenourau | 7637.pdf | pt_BR |
dataload.handlemapped | 123456789/52 | pt_BR |
dataload.idpergamum | 1935 | pt_BR |
dataload.idvirtuanourau | vtls000231516 | pt_BR |
dataload.idvirtuapergamum | vtls000231516 | pt_BR |
dataload.idvirtuapergamum.sameurlnourau | SIM | pt_BR |
dataload.linknourau | http://www.bibliotecadigital.uel.br/document/?code=vtls000231516 | pt_BR |
dataload.linknourau.regular | SIM | pt_BR |
dataload.linknourau.retificado | http://www.bibliotecadigital.uel.br/document/?code=vtls000231516 | pt_BR |
dataload.linknourau.size | 64.00 | pt_BR |
dc.contributor.advisor | Simões Filho, Manuel [Orientador] | pt_BR |
dc.contributor.author | Lantigua López, Said José | pt_BR |
dc.contributor.banca | Martins, Christiane Frigerio | pt_BR |
dc.contributor.banca | Yamaguti, Kleber Eiti | pt_BR |
dc.coverage.spatial | Londrina | pt_BR |
dc.date.accessioned | 2024-05-01T15:17:46Z | |
dc.date.available | 2024-05-01T15:17:46Z | |
dc.date.created | 2020.00 | pt_BR |
dc.date.defesa | 15.06.2020 | pt_BR |
dc.description.abstract | Resumo: En la presente tesis se realizó una revisión de los principales modelos que ofrecen una explicación convincente acerca del fenómeno de la Energía Oscura responsable de generar una expansión celerada en un universo del tipo Friedmann-Robertson-Walker En primer lugar, se revisó el modelo de la constante cosmológica En segundo lugar, se exploraron los modelos que describen la Energía Oscura por medio de campos escalares dinámicos como el campo de la Quinta Esencia y el campo Fantasma En tercer lugar, se revisaron los modelos que surgen a partir de la teoría de Cuerdas como lo son el campo Taquiónel, el gas de Chaplygin, el campo de la K-esencia y el campo Dilatón Además, se determinó que en los modelos de campos, a pesar de los grandes aportes que ofrecen a la compresión de nuestro universo, actualmente no existe ninguna medición experimental que demuestre que tales campos sean el verdadero origen de la Energía Oscura Por lo tanto, ellos solamente representan un buen intento realizado en el campo de la cosmología moderna En contraposición a esto, la plena coincidencia que existe entre el modelo ?DCM con la hipótesis del Big Bang, permite explicar las observaciones de la radiación cósmica de fondo, así como la estructura a gran escala del universo y las observaciones de supernovas, demostrando que el modelo ?CDM es el único modelo vigente que arroja un poco de claridad sobre la expansión acelerada de un universo FRW plano | pt_BR |
dc.description.abstractother1 | Abstract: In the present thesis, a review of the main models that offer a convincing explanation about the Dark Energy phenomenon responsible for generating an accelerated expansion in a Friedmann-Robertson-Walker-type universe was carried out Firstly, the model of the cosmological constant was reviewed Secondly, the models that describe Dark Energy were explored by means of dynamic scalar fields such as the field of the Fifth Essence and the Phantom field Thirdly, the models that emerge from the String Theory were reviewed such as the Tachyons field, the Chaplygin gas, the K-essence field and the Dilaton field In addition, it was determined that the field models, despite the great contributions that they offer to the compression of our universe, currently do not exist any experimental measurement that demonstrates that such fields are the true origin of Dark Energy Therefore, they only represent a good relational attempt in the field of modern cosmology In contrast to this, the full coincidence that exists between the ?DCM model and the Big Bang hypothesis, allows to explain the observations of the cosmic background radiation, as well as the large-scale structure of the universe and the observations of supernovae, making the ?CDM model the only current model that throws some clarity on the accelerated expansion of a flat FRW universe | pt_BR |
dc.description.notes | Dissertação (Mestrado em Física) - Universidade Estadual de Londrina, Centro de Ciências Exatas, Programa de Pós-Graduação em Física | pt_BR |
dc.identifier.uri | https://repositorio.uel.br/handle/123456789/16985 | |
dc.language | por | |
dc.relation.coursedegree | Mestrado | pt_BR |
dc.relation.coursename | Física | pt_BR |
dc.relation.departament | Centro de Ciências Exatas | pt_BR |
dc.relation.ppgname | Programa de Pós-Graduação em Física | pt_BR |
dc.subject | Física teórica | pt_BR |
dc.subject | Energia escura (Astronomia) | pt_BR |
dc.subject | Cosmologia | pt_BR |
dc.subject | Cosmologia de cordas | pt_BR |
dc.subject | Física | pt_BR |
dc.subject | Theoretical physics | pt_BR |
dc.subject | Dark energy (Astronomy) | pt_BR |
dc.subject | Cosmology | pt_BR |
dc.subject | String cosmology | pt_BR |
dc.subject | Physics | pt_BR |
dc.title | Aspectos generales acerca de la energía oscura | pt_BR |
dc.type | Dissertação | pt_BR |
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