{"id":17968,"date":"2002-01-07T00:00:00","date_gmt":"2002-01-07T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/polarizacion-por-procesos-de-dispersion-y-el-efecto-hanle-en-atmosferas-estelares-debilmente-magnetizadas\/"},"modified":"2002-01-07T00:00:00","modified_gmt":"2002-01-07T00:00:00","slug":"polarizacion-por-procesos-de-dispersion-y-el-efecto-hanle-en-atmosferas-estelares-debilmente-magnetizadas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/astronomia-y-astrofisica\/polarizacion-por-procesos-de-dispersion-y-el-efecto-hanle-en-atmosferas-estelares-debilmente-magnetizadas\/","title":{"rendered":"Polarizaci\u00f3n por procesos de dispersi\u00f3n y el efecto hanle en atm\u00f3sferas estelares d\u00e9bilmente magnetizadas"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Rafael Manso Sainz <\/strong><\/h2>\n<p>Esta tesis presenta el desarrollo y aplicaci\u00f3n de m\u00e9todos de transporte radiactivo para la investigaci\u00f3n de campos magn\u00e9ticos en astrof\u00edsica mediante el efecto hanle, con particular inter\u00e9s en los campos magn\u00e9ticos d\u00e9biles de la atm\u00f3sfera solar (desde 1 mililgauss hasta 11 gauss aproximadamente). en este rango de intensidades de campo magn\u00e9tico es muy dif\u00edcil diagnosticar todo el vector campo magn\u00e9tico considerando s\u00f3lo el efecto zeeman, el cual es m\u00e1s sensible en polarizaci\u00f3n circular. Por esta raz\u00f3n esta tesis presenta particular atenci\u00f3n a las se\u00f1ales de polarizaci\u00f3n lineal en l\u00edneas espectrales producidas por m\u00faltiples procesos de dispersi\u00f3n en regiones d\u00e9bilmente magnetizadas de las atm\u00f3sferas estelares. En efecto, la iluminaci\u00f3n anis\u00f3tropa de los \u00e1tomos induce diferencias entre las poblaciones de los subniveles at\u00f3micos degenerados e interferencias cu\u00e1nticas entre ellos (esto es, polarizaci\u00f3n at\u00f3mica).  el efecto hanle es la modificaci\u00f3n de esta polarizaci\u00f3n y de sus consecuentes efectos observables mediante la acci\u00f3n de un campo magn\u00e9tico d\u00e9bil tal que su correspondiente desdoblamiento zeeman es comparable a la anchura natural del nivel at\u00f3mico degenerado que se est\u00e1 considerando. Esto abre la posibilidad de investigar tales campos magn\u00e9ticos d\u00e9biles midiendo e interpretando la polarizaci\u00f3n de la luz dispersada en l\u00edneas espectrales adecuadamente seleccionadas.  con este fin se han formulado cuidadosamente y resuelto una jerarqu\u00eda de problemas de transporte radiactivo de complicaci\u00f3n creciente dentro del marco de una teor\u00eda rigurosa de la generaci\u00f3n y transporte de radiaci\u00f3n polarizada. Hemos elegido la teor\u00eda cu\u00e1ntica de la polarizaci\u00f3n la cual est\u00e1 basada en las componentes irreducibles del tensor de la matriz densidad at\u00f3mica.  el primer objetivo ha sido establecer los fundamentos de nuestros m\u00e9todos num\u00e9ricos para el transporte de radiaci\u00f3n polarizada en un gas de \u00e1tomos<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Polarizaci\u00f3n por procesos de dispersi\u00f3n y el efecto hanle en atm\u00f3sferas estelares d\u00e9bilmente magnetizadas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Polarizaci\u00f3n por procesos de dispersi\u00f3n y el efecto hanle en atm\u00f3sferas estelares d\u00e9bilmente magnetizadas <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Rafael Manso Sainz <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 La laguna<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/07\/2002<\/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>Javier Trujillo Bueno<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Miguel \u00e1ngel Rebolledo sanz <\/li>\n<li>Jos\u00e9 Bret\u00f3n pe\u00f1a (vocal)<\/li>\n<li>Jos\u00e9 Cernicharo quintanilla (vocal)<\/li>\n<li>artemio Herrero dav\u00f3 (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Rafael Manso Sainz Esta tesis presenta el desarrollo y aplicaci\u00f3n de m\u00e9todos de transporte radiactivo para la [&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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