{"id":24997,"date":"2018-03-09T09:16:12","date_gmt":"2018-03-09T09:16:12","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/quantum-effects-in-brane-world-scenarios-moduli-stabilization-and-the-hierarchy-problem\/"},"modified":"2018-03-09T09:16:12","modified_gmt":"2018-03-09T09:16:12","slug":"quantum-effects-in-brane-world-scenarios-moduli-stabilization-and-the-hierarchy-problem","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/quantum-effects-in-brane-world-scenarios-moduli-stabilization-and-the-hierarchy-problem\/","title":{"rendered":"Quantum effects in brane world scenarios: moduli stabilization and the hierarchy problem"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Oriol Pujol\u00e1s Boix <\/strong><\/h2>\n<p>Ciertos modelos de branas resuelven el problema de la jerarqu\u00eda debido a que en estos modelos la separaci\u00f3n entre la escala electrod\u00e9bil y la de planck depende del tama\u00f1o de las dimensiones extra. \u00e9Ste viene dado por un modo escalar de la m\u00e9trica conocido como el radi\u00f3n. Una soluci\u00f3n completa al problema de la jerarqu\u00eda requiere un mecanismo de estabilizaci\u00f3n que fije su valor adecuadamente y explique por qu\u00e9 no se observan las interacciones escalares transmitidas por el radi\u00f3n.  en esta tesis se estudia la posibilidad de que la energ\u00eda de casimir estabilice el radi\u00f3n y genere la jerarqu\u00eda de forma natural. Se argumenta que, en modelos donde la geometr\u00eda no es factorizable, los efectos cu\u00e1nticos proporcionan un mecanismo de estabilizaci\u00f3n capaz de generar y estabilizar dicha jerarqu\u00eda. en concreto, se discuten los efectos cu\u00e1nticos en tres clases de modelos.  el primer ejemplo consiste en un modelo tensor-escalar en cinco dimensiones en que el factor de \u00abwarp\u00bb crece como una potencia de la distancia. La presencia de una simetr\u00eda de scaling an\u00f3mala permite estabilizar los m\u00f3dulos (las posiciones de las branas) y generar la jerarqu\u00eda de forma natural incluso para potencias peque\u00f1as. Sin embargo, las masas generadas para los m\u00f3dulos s\u00f3lo son suficientemente grandes si la potencia del factor de warp es de orden 10 o mayor.  la segunda clase de modelos consiste en un espacio de m\u00e1s de 5 dimensiones donde el espacio interno y las direcciones no compactas presentan un factor de warp exponencial. En este modelo, la jerarqu\u00eda se genera mediante una combinaci\u00f3n de los efectos de redshift y de volumen grande. Se encuentra que los efectos cu\u00e1nticos estabilizan las posiciones de las dos branas y generan la jerarqu\u00eda de forma natural si el espacio interno es plano.  en el tercer tipo de modelos, el espacio interno no presenta factor de warp y la jerarqu\u00eda se genera mediante el efecto de redshift. Al igual que en el m<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Quantum effects in brane world scenarios: moduli stabilization and the hierarchy problem<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Quantum effects in brane world scenarios: moduli stabilization and the hierarchy problem <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Oriol Pujol\u00e1s Boix <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/07\/2003<\/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>Jaume Garriga Torres<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Mar\u00eda no Quir\u00f3s carcelen <\/li>\n<li>manel Masip mellado (vocal)<\/li>\n<li>roberto a. Emparan Garc\u00eda de salazar (vocal)<\/li>\n<li>tomas Ortin Miguel (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Oriol Pujol\u00e1s Boix Ciertos modelos de branas resuelven el problema de la jerarqu\u00eda debido a que en [&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":[1],"tags":[70280,73104,14448,73103,73105,70279],"class_list":["post-24997","post","type-post","status-publish","format-standard","hentry","category-sin-categoria","tag-jaume-garriga-torres","tag-manel-masip-mellado","tag-maria-no-quiros-carcelen","tag-oriol-pujolas-boix","tag-roberto-a-emparan-garcia-de-salazar","tag-tomas-ortin-miguel"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/24997","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=24997"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/24997\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=24997"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=24997"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=24997"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}