{"id":38356,"date":"2018-03-09T09:37:53","date_gmt":"2018-03-09T09:37:53","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/cosmological-perturbation-theory-and-the-spherical-collapse-model\/"},"modified":"2018-03-09T09:37:53","modified_gmt":"2018-03-09T09:37:53","slug":"cosmological-perturbation-theory-and-the-spherical-collapse-model","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/barcelona\/cosmological-perturbation-theory-and-the-spherical-collapse-model\/","title":{"rendered":"Cosmological perturbation theory and the spherical collapse model."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Pablo Fosalba Vela <\/strong><\/h2>\n<p>Esta tesis presenta el modelo de colapso esf\u00e9rico como una aproximaci\u00f3n sencilla e intuitiva para resolver la teor\u00eda de perturbaciones en cosmolog\u00eda. En particular, se dan resultados para los cumulantes a un punto de los campos c\u00f3smicos, para condiciones iniciales gen\u00e9ricas en universos frw perturbados. Estos resultados representan una potente herramienta anal\u00edtica para entender la formaci\u00f3n de estructuras en nuestro y para testear modelos para las condiciones iniciales. En el cap\u00edtulo 1 se esboza una breve introducci\u00f3n a la estructura a gran escala en el universo. En el cap\u00edtulo 2 se explica porqu\u00e9 el modelo de colapso esf\u00e9rico da la soluci\u00f3n exacta al \u00abtree-level\u00bb en teor\u00eda de perturbaciones en cosmolog\u00eda, para condiciones iniciales arbitrarias y universos no planos de frw. Tambi\u00e9n se dan resultados para los cumulantes incluyendo las correcciones tipo \u00abloop\u00bb para condiciones iniciales gaussianas. estos resultados son comparados con aqu\u00e9llos disponibles en la literatura referentes a la teor\u00eda de perturbaciones exacta y con simulaciones num\u00e9ricas. En el cap\u00edtulo 3 se generaliza este an\u00e1lisis para condiciones iniciales no -gaussianas. El cap\u00edtulo 4 aporta resultados para el campo de velocidades peculiares y la dependencia de los cumulantes en la densidad media del universo. El cap\u00edtulo 5 presenta las conclusiones de la tesis, destacando que el modelo de colapso esf\u00e9rico da predicciones que estan en muy buen acuerdo con la teor\u00eda exacta de perturbaciones, as\u00ed como las simulaciones num\u00e9ricas de n-cuerpos.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Cosmological perturbation theory and the spherical collapse model.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Cosmological perturbation theory and the spherical collapse model. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Pablo Fosalba Vela <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/06\/1998<\/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>Enrique Gazta\u00f1aga Balb\u00e1s<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: ram\u00f3n Canal masgoret <\/li>\n<li>eduard Masso soler (vocal)<\/li>\n<li>Juan Garc\u00eda-bellido capdevila (vocal)<\/li>\n<li>a. Frieman joshua (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Pablo Fosalba Vela Esta tesis presenta el modelo de colapso esf\u00e9rico como una aproximaci\u00f3n sencilla e intuitiva [&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":[1050,951,1052,7767,34004],"tags":[99696,79252,99694,99695,99693,10114],"class_list":["post-38356","post","type-post","status-publish","format-standard","hentry","category-astronomia-y-astrofisica","category-barcelona","category-cosmologia-y-cosmogonia","category-galaxias","category-gravitacion","tag-a-frieman-joshua","tag-eduard-masso-soler","tag-enrique-gaztanaga-balbas","tag-juan-garcia-bellido-capdevila","tag-pablo-fosalba-vela","tag-ramon-canal-masgoret"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/38356","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=38356"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/38356\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=38356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=38356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=38356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}