{"id":41138,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/comportamiento-asintotico-de-comologias-inhomogeneas\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"comportamiento-asintotico-de-comologias-inhomogeneas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/comportamiento-asintotico-de-comologias-inhomogeneas\/","title":{"rendered":"Comportamiento asintotico de comolog\u00edas inhomogeneas."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Itsaso Olasagasti Rodriguez <\/strong><\/h2>\n<p>El modelo cosmol\u00f3gico est\u00e1ndar, que utiliza como teor\u00eda marco la teor\u00eda general de la relatividad de einstein, supone que el universo es espacialmente homog\u00e9neo e is\u00f3tropo a gran escala. Sin embargo, el modelo no explica el origen del alto grado de simetr\u00eda observado, siendo \u00e9sta una cuesti\u00f3n que todav\u00eda no ha sido resuelta. El paradigma inflacionario fue introducido como respuesta a \u00e9ste y otros problemas del modelo est\u00e1ndar, pero la existencia de un periodo inflacionario puede verse afectada cuando los modelos que se consideran son suficientemente inhomog\u00e9neos. Por esta raz\u00f3n es necesario el estudio de soluciones exactas y su posible isotropizaci\u00f3n. Con este objetivo hemos analizado dos familias de soluciones inhomog\u00e9neas con un campo escalar con un potencial de autointeracci\u00f3n exponencial.  otro de los problemas del modelo est\u00e1ndar es el que se refiere al origen de la componente dominante de la densidad de energ\u00eda. A este respecto hemos estudiado el comportamiento de modelos con campo escalar y fluido perfecto fij\u00e1ndonos sobre todo en el papel que juegan las soluciones en las que la contribuci\u00f3n a la densidad de energ\u00eda proviene de ambas componentes.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Comportamiento asintotico de comolog\u00edas inhomogeneas.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Comportamiento asintotico de comolog\u00edas inhomogeneas. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Itsaso Olasagasti Rodriguez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Pa\u00eds vasco\/euskal herriko unibertsitatea<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Jes\u00fas Iba\u00f1ez Medrano<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: alberto Chamorro belmont <\/li>\n<li>alan Coley (vocal)<\/li>\n<li>jaume Carot giner (vocal)<\/li>\n<li>enric Verdaguer oms (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Itsaso Olasagasti Rodriguez El modelo cosmol\u00f3gico est\u00e1ndar, que utiliza como teor\u00eda marco la teor\u00eda general de la [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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