{"id":87083,"date":"2018-03-10T00:11:47","date_gmt":"2018-03-10T00:11:47","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/fenomenos-criticos-en-el-colapso-gravitatorio-de-un-campo-escalar\/"},"modified":"2018-03-10T00:11:47","modified_gmt":"2018-03-10T00:11:47","slug":"fenomenos-criticos-en-el-colapso-gravitatorio-de-un-campo-escalar","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/fenomenos-criticos-en-el-colapso-gravitatorio-de-un-campo-escalar\/","title":{"rendered":"Fenomenos criticos en el colapso gravitatorio de un campo escalar"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Jos\u00e9 M. Martin Garcia <\/strong><\/h2>\n<p>En 1993 mathew choptuik descubri\u00f3, mediante simulaciones num\u00e9ricas del colapso gravitatorio de campo escalar, que es posible formar agujeros negros de masa arbitrariamente peque\u00f1a ajustando un solo par\u00e1metro p en la condici\u00f3n inicial.  descubri\u00f3 adem\u00e1s que partiendo de condiciones iniciales con p cercano al valor cr\u00edtico que separa la formaci\u00f3n de agujeros negros de la dispersi\u00f3n a infinito, la evoluci\u00f3n intermedia era siempre la misma hasta que se decid\u00eda se forma o no el agujero negro.  tambi\u00e9n encontr\u00f3 leyes de potencia en la masa de los agujeros negros formados y otros interesantes \u00abfen\u00f3menos cr\u00edticos\u00bb, muy similares a los que se observan en f\u00edsica estad\u00edstica. Todo ello se explica ahora como resultado de la existencia de una soluci\u00f3n exacta (\u00abel espacio-tiempo de choptuik\u00bb) que act\u00faa como atractor de codimensi\u00f3n 1 en el espacio de fases del sistema.  esta fenomenolog\u00eda se descubri\u00f3 en el colapso esf\u00e9rico de un campo escalar sin carga el\u00e9ctrica. Por tanto se obten\u00edan agujeros negros finales con masa, pero sin momento angular ni carga el\u00e9ctrica. En esta tesis hemos probado que los fen\u00f3menos cr\u00edticos de colapso est\u00e1n presentes en el caso general.  para ello estudiamos el sitema completo einstein -maxwell- klein-gordon, formando por los campos gravitatorio, electromagn\u00e9tico y escalar cargado, respectivamente, todos acoplados entre s\u00ed. Primero probamos que el espacio-tiempo de choptuik es una soluci\u00f3n exacta del problema completo.  en segundo lugar estudiamos sus propiedades de estabilidad lineal, incluyendo perturbaciones lineales no esf\u00e9ricas y con carga el\u00e9ctrica. Encontramos que todas las perturbaciones lineales decaen en el tiempo, de forma que esta soluci\u00f3nsigue siendo un atractor de codimensi\u00f3n 1, con lo cual los fen\u00f3menos cr\u00edticos se mantienen en la situaci\u00f3n general.  a partir de los exponentes de decaimiento de los modos lineales que decrecen m\u00e1s lentamente predecimos los exponent<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Fenomenos criticos en el colapso gravitatorio de un campo escalar<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Fenomenos criticos en el colapso gravitatorio de un campo escalar <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Jos\u00e9 M. Martin Garcia <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/10\/2000<\/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>Juan Perez Mercader<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Chinea trujillo fco. javier <\/li>\n<li>joan Masso bennasar (vocal)<\/li>\n<li>marina Ramon medrano (vocal)<\/li>\n<li> Iba\u00f1ez carbaell Jos\u00e9 Mar\u00eda (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Jos\u00e9 M. Martin Garcia En 1993 mathew choptuik descubri\u00f3, mediante simulaciones num\u00e9ricas del colapso gravitatorio de campo [&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":[29703,199,1432,2855],"tags":[34024,182437,182436,182435,4084,29590],"class_list":["post-87083","post","type-post","status-publish","format-standard","hentry","category-campos-gravitacionales","category-fisica","category-fisica-teorica","category-teoria-de-la-gravitacion-universal","tag-chinea-trujillo-fco-javier","tag-ibanez-carbaell-jose-maria","tag-joan-masso-bennasar","tag-jose-m-martin-garcia","tag-juan-perez-mercader","tag-marina-ramon-medrano"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/87083","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=87083"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/87083\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=87083"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=87083"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=87083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}