{"id":140515,"date":"2026-01-12T17:55:31","date_gmt":"2026-01-12T17:55:31","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-del-acoplamiento-entre-fluctuaciones-externas-e-internas\/"},"modified":"2026-01-12T17:55:31","modified_gmt":"2026-01-12T17:55:31","slug":"estudio-del-acoplamiento-entre-fluctuaciones-externas-e-internas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/estudio-del-acoplamiento-entre-fluctuaciones-externas-e-internas\/","title":{"rendered":"Estudio del acoplamiento entre fluctuaciones externas e internas"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Mencia Bravo Jos\u00e9 Saturnino <\/strong><\/h2>\n<p>Estudiamos un modelo simple constituido por una particula masiva inmersa en un ba\u00f1o termico representado por modos armonicos. En etapas subsiguientes consideramos la influencia de un ruido externo acoplado con la particula o con el ba\u00f1o.  siguiendo el tratamiento iniciado por zwanzig, eliminamos los grados de libertad irrelevantes que constituyen el ba\u00f1o, estudiando bajo que circunstancias la densidad de probabilidad estacionaria obedece una distribucion canonica.  hemos considerado distintos acoplamientos, lineal, cuadratico y no lineal arbitrario, tanto en ausencia como en presencia del ruido externo.  para esta fluctuacion como para la interna, se han supuesto los casos de ruido blanco y ruido coloreado, obteniendose en varios casos solucion estacionaria exacta a la ecuacion de fokker-planck.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio del acoplamiento entre fluctuaciones externas e internas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio del acoplamiento entre fluctuaciones externas e internas <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Mencia Bravo Jos\u00e9 Saturnino <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1992<\/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>Jos\u00e9 M Sancho Herrero<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Javier Sesma Bienzobas <\/li>\n<li>Laureano Ramirez De La Piscina Millan (vocal)<\/li>\n<li>Luis Pesquera Gonzalez (vocal)<\/li>\n<li>Mar\u00eda  Carme Torrent Serra (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mencia Bravo Jos\u00e9 Saturnino Estudiamos un modelo simple constituido por una particula masiva inmersa en un ba\u00f1o [&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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