{"id":41656,"date":"1999-01-01T00:00:00","date_gmt":"1999-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/descripcion-autoconsistente-del-transporte-en-hilos-superconductores-cuasidimensionales\/"},"modified":"1999-01-01T00:00:00","modified_gmt":"1999-01-01T00:00:00","slug":"descripcion-autoconsistente-del-transporte-en-hilos-superconductores-cuasidimensionales","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/descripcion-autoconsistente-del-transporte-en-hilos-superconductores-cuasidimensionales\/","title":{"rendered":"Descripcion autoconsistente del transporte en hilos superconductores cuasidimensionales."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Javier Sanchez Ca\u00f1izares <\/strong><\/h2>\n<p>A lo largo de esta tesis se estudia el transporte en estructuras con elementos superconductores cuasidimensionales realizando autoconsistencia en el par\u00e1metro de orden superconductor.  en los dos primeros cap\u00edtulos, se estudia la autoconsistencia de manera asint\u00f3tica y local (exacta) respectivamente. Estas descripciones resultan ser importantes cuando la densidad de corriente en el superconductor es cercana a la densidad de corriente cr\u00edtica. Como consecuencia de la velocidad superfluida, aparecen nuevos reg\u00edmenes de transporte en el superconductor: trasmisi\u00f3n andreev, que no se ve afectada por la presencia de impurezas, y superconductividad sin gap, favorecida por una poblaci\u00f3n de cuasipart\u00edculas fuera del equilibrio. Se estudia la solidez de estos reg\u00edmenes en diversas estructuras y sus principales manifestaciones en las caracter\u00edsticas corriente-voltaje.  el tercer cap\u00edtulo aplica el m\u00e9todo a los superconductores anisotr\u00f3picos. Se predice una variaci\u00f3n de la corriente cr\u00edtica como funci\u00f3n del \u00e1ngulo formado con los ejes cristalogr\u00e1ficos y la posibilidad de cambiar la simetr\u00eda del par\u00e1metro de orden mediante la corriente macrosc\u00f3pica inyectada en el superconductor, cuando los par\u00e1metros microsc\u00f3picos posibilitan la existencia de varias soluciones a la ecuaci\u00f3n de autoconsistencia.  finalmente, el \u00faltimo cap\u00edtulo introduce la t\u00e9cnica de las funciones de green cuasicl\u00e1sicas, que permite un tratamiento m\u00e1s riguroso del transporte en superconductores con cualquier grado de desorde. Se estudia tanto el transporte de equilibrio como el de no equilibrio, observ\u00e1ndose que el r\u00e9gimen de superconductividad sin gap es estable si el desorden es suficientemente bajo, siendo incapaz de devolver la cuasipart\u00edculas al equilibrio..<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Descripcion autoconsistente del transporte en hilos superconductores cuasidimensionales.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Descripcion autoconsistente del transporte en hilos superconductores cuasidimensionales. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Javier Sanchez Ca\u00f1izares <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1999<\/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>Fernando Sols Luc\u00eda<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: sebasti\u00e1n Vieira d\u00edaz <\/li>\n<li>\u00c1lvaro Martin rodero (vocal)<\/li>\n<li>Francisco Guinea l\u00f3pez (vocal)<\/li>\n<li>Jaime Ferrer rodr\u00edguez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Javier Sanchez Ca\u00f1izares A lo largo de esta tesis se estudia el transporte en estructuras con elementos [&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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