{"id":16400,"date":"2002-12-04T00:00:00","date_gmt":"2002-12-04T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/modelos-cosmologicos-inhomogeneos-conformemente-planos\/"},"modified":"2002-12-04T00:00:00","modified_gmt":"2002-12-04T00:00:00","slug":"modelos-cosmologicos-inhomogeneos-conformemente-planos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/modelos-cosmologicos-inhomogeneos-conformemente-planos\/","title":{"rendered":"Modelos cosmologicos inhomogeneos conformemente planos"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Alicia Herrero Debon <\/strong><\/h2>\n<p>En primer lugar se estudian modelos cosmologicos inhomogeneos con metrica 4-dimensional conformemente  plana. Se analizan las propiedades de los campos conformes killing radiales como una via para la obtenci\u00f3n de factores de conformidad. La condici\u00f3n de aceleraci\u00f3n nula lleva al factor de la conformidad de las m\u00e9tricas de robertson-walker. El caso de expansi\u00f3n homogenea y el de la existencia de secciones espaciales de curvatura constante dan lugar a factores de conformidad de espacios-tiempos que generalizan los universos de robertson-walker.  en segundo lugar estudiamos modelos cosmologicos que admiten secciones espaciales conformemente planas. Examinamos la teoria relativista de las peturbaciones de un universo de einstein-de sitter en forma evolutiva. el contenido material est\u00e1 generado por una funci\u00f3n de distribuci\u00f3n de materia fr\u00eda y sin colisiones (problema de einstein-vlasov). Las ecuaciones de einstein conducen a una ecuaci\u00f3n diferencial de segundo orden para el potencial gravitatorio. Se resuelve el problema de cauchy en el caso linealizado y para un modelo sin anisotropias. Es necesario considerar dos condiciones iniciales, una sobre el potencial y otra sobre su primera derivada temporal. en el caso de simetria esferica se expresa la solucion en terminos de integrales unidimensionales de las condiciones iniciales.  este analisis lleva a que la teoria relativista linealizada de la evoluci\u00f3n de las perturbacones de friedmann puede dar crecimientos considerables del contraste de densidad, lo cual puede ser relevante para la formacion de estructuradas.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Modelos cosmologicos inhomogeneos conformemente planos<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Modelos cosmologicos inhomogeneos conformemente planos <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Alicia Herrero Debon <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 12\/04\/2002<\/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> Morales Lladosa Juan  Antonio<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jes\u00fas Martin martin <\/li>\n<li>diego Saez milan (vocal)<\/li>\n<li>bartolome Coll duran (vocal)<\/li>\n<li>eduard Salvador sol\u00e9 (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alicia Herrero Debon En primer lugar se estudian modelos cosmologicos inhomogeneos con metrica 4-dimensional conformemente plana. Se [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[1050,1052,199,1432,34004,2855],"tags":[51853,42420,27349,10494,9466,51854],"class_list":["post-16400","post","type-post","status-publish","format-standard","hentry","category-astronomia-y-astrofisica","category-cosmologia-y-cosmogonia","category-fisica","category-fisica-teorica","category-gravitacion","category-teoria-de-la-gravitacion-universal","tag-alicia-herrero-debon","tag-bartolome-coll-duran","tag-diego-saez-milan","tag-eduard-salvador-sole","tag-jesus-martin-martin","tag-morales-lladosa-juan-antonio"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/16400","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=16400"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/16400\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=16400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=16400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=16400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}