{"id":79581,"date":"2018-03-09T23:25:26","date_gmt":"2018-03-09T23:25:26","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/probing-dark-energy-with-x-ray-galaxy-clusters-supernovae-and-the-cosmic-microwave-background\/"},"modified":"2018-03-09T23:25:26","modified_gmt":"2018-03-09T23:25:26","slug":"probing-dark-energy-with-x-ray-galaxy-clusters-supernovae-and-the-cosmic-microwave-background","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/barcelona\/probing-dark-energy-with-x-ray-galaxy-clusters-supernovae-and-the-cosmic-microwave-background\/","title":{"rendered":"Probing dark energy with x-ray galaxy clusters, supernovae and the cosmic microwave background"},"content":{"rendered":"<h2>Tesis doctoral de <strong> David Rapetti Serra <\/strong><\/h2>\n<p>Utilizando el an\u00e1lisis combinado de datos de c\u00famulos de galaxias en rayos x, supernovas de tipo la y anisotrop\u00edas del fondo de microondas hemos obtenido medidas de los par\u00e1metros de la ecuaci\u00f3n de estado de la energ\u00eda oscura.  hemos utilizado diferentes modelos de la ecuaci\u00f3n de estado de la energ\u00eda oscura, w: un modelo con w constante, otro modelo con dos par\u00e1metros libres, uno para el valor en el pasado lejano fijando el valor de la transici\u00f3n entre estos dos par\u00e1metros a diferentes valores, y otro modelo con estos tres par\u00e1metros libres. Cabe destacar que la combinaci\u00f3n de los datos utilizados nos permite romper importantes degeneraciones entre los par\u00e1metros del modelo cosmol\u00f3gico actual y en particular para los par\u00e1metros utilizados para describir la energ\u00eda oscura. Tambi\u00e9n se rompe una degeneraci\u00f3n clave entre los par\u00e1metros que miden la densidad f\u00edsica de bariones, la profundidad \u00f3ptica a la reionizaci\u00f3n y el \u00edndice espectral. La mayor parte de nuestro an\u00e1lisis asume una geometr\u00eda plana del universo. Sin embargo, la complementariedad de los datos utilizados nos permite incluso relajar esta condicion. Nuestro an\u00e1lisis llega a la conclusi\u00f3n de que el modelo de universo con materia oscura fina y constante cosmol\u00f3gica (energ\u00eda del vac\u00edo qu\u00e1ntico) es un buen modelo para describir los datos actuales. Tambi\u00e9n llegamos a la conclusi\u00f3n de  que para poder medir con propiedad la evoluci\u00f3n de la ecuaci\u00f3n de estado de la energ\u00eda oscura es necesario incluir (tal como hacemos en nuestro an\u00e1lisis) un tratamiento adecuado de las perturbaciones cosmol\u00f3gicas de la energ\u00eda oscura. Tambi\u00e9n hemos estudiado las perspectivas de mejora con datos de futuras misiones como el constellaion-z. En particular hemos dise\u00f1ado una muestra de c\u00famulos de galaxias en rayos x que podr\u00edan ser medidos con esta misi\u00f3n y aplicado el an\u00e1lisis de la energ\u00eda oscura en esta muestra. finalmente hemos combinado esta muestra con otra si<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Probing dark energy with x-ray galaxy clusters, supernovae and the cosmic microwave background<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Probing dark energy with x-ray galaxy clusters, supernovae and the cosmic microwave background <\/li>\n<li><strong>Autor:<\/strong>\u00a0 David Rapetti Serra <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 21\/04\/2006<\/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>Steven W. Allen<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: ram\u00f3n Canal masgoret <\/li>\n<li>enrique Gazta\u00f1aga balb\u00e1s (vocal)<\/li>\n<li>jochen Weller (vocal)<\/li>\n<li>Javier Bafaluy bafaluy (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de David Rapetti Serra Utilizando el an\u00e1lisis combinado de datos de c\u00famulos de galaxias en rayos x, supernovas [&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":[1050,951,1052,33966],"tags":[170752,99694,20236,170754,10114,170753],"class_list":["post-79581","post","type-post","status-publish","format-standard","hentry","category-astronomia-y-astrofisica","category-barcelona","category-cosmologia-y-cosmogonia","category-supernovas","tag-david-rapetti-serra","tag-enrique-gaztanaga-balbas","tag-javier-bafaluy-bafaluy","tag-jochen-weller","tag-ramon-canal-masgoret","tag-steven-w-allen"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/79581","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=79581"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/79581\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=79581"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=79581"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=79581"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}