{"id":43932,"date":"2018-08-07T18:14:37","date_gmt":"2018-08-07T18:14:37","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/problema-de-n-cuerpos-en-relatividad-general-e-invariancia-de-las-ecuaciones-del-movimiento\/"},"modified":"2018-08-07T18:14:37","modified_gmt":"2018-08-07T18:14:37","slug":"problema-de-n-cuerpos-en-relatividad-general-e-invariancia-de-las-ecuaciones-del-movimiento","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/problema-de-n-cuerpos-en-relatividad-general-e-invariancia-de-las-ecuaciones-del-movimiento\/","title":{"rendered":"Problema de n cuerpos en relatividad general e invariancia de las ecuaciones del movimiento."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Enric Verdaguer Oms <\/strong><\/h2>\n<p>Si estudiamos el movimiento de n cuerpos en la aproximacion de movimiento lento en el marco de la teoria de la relatividad general se obtienen en el orden 1\/c2 (c=velocidad de la luz) las ecuaciones de einstein-infeld y hoffman. Estas ecuaciones tienen la particularidad que admiten como transformacion de simetria la transformacion de lorentz. Esto no ocurre en general si estudiamos las ecuaciones del movimiento hasta el orden 1\/c4  sin embargo se puede encontrar una ganga  llamada armonica en que las ecuaciones del movimiento si son invariantes por lorentz. Esto permitira definir un teorema de centro de masas al orden 1\/c4. En el presente trabajo se calculan por una parte las metricas hasta el orden 1\/c4 para un sistema de n cuerpos esfericos y de peque\u00f1as dimensiones respecto sus separaciones y movimiento de rotacion lento  para ello se utilizan dos gangas distintas. Por otra parte se buscan las transformaciones que dejan invariantes a las metricas y se estudia la invariancia de las ecuaciones del movimiento encontrandose que en la ganga armonica estas son invariantes por lorentz.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Problema de n cuerpos en relatividad general e invariancia de las ecuaciones del movimiento.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Problema de n cuerpos en relatividad general e invariancia de las ecuaciones del movimiento. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Enric Verdaguer Oms <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1977<\/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>LLuis Mas Franch<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal:  Pascual De Sans Pedro <\/li>\n<li> Fernandez-ra\u00f1ada Menendez De Luarca Antonio (vocal)<\/li>\n<li> Pascual De Sans Ramon (vocal)<\/li>\n<li>Ramon Lapiedra Civera (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Enric Verdaguer Oms Si estudiamos el movimiento de n cuerpos en la aproximacion de movimiento lento 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 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