{"id":73517,"date":"2018-03-09T23:18:26","date_gmt":"2018-03-09T23:18:26","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/fast-magnetohydrodynamis-waves-in-line-tied-solar-coronal-flux-tubes\/"},"modified":"2018-03-09T23:18:26","modified_gmt":"2018-03-09T23:18:26","slug":"fast-magnetohydrodynamis-waves-in-line-tied-solar-coronal-flux-tubes","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/fast-magnetohydrodynamis-waves-in-line-tied-solar-coronal-flux-tubes\/","title":{"rendered":"Fast magnetohydrodynamis waves in line-tied solar coronal flux tubes"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Antonio  Jes\u00fas D\u00edaz Medina <\/strong><\/h2>\n<p>Esta tesis est\u00e1 dedicada al estudio de los modos oscilatorios magnetoac\u00fasticos (mhd) r\u00e1pidos en estructuras coronales ancladas en la fotosfera, en particular bucles coronales y fibrillas de protuberancias. Para dicho an\u00e1lisis se ha deducido un par de ecuaciones diferenciales en derivadas parciales a partir de las ecuaciones de la mhd linealizadas y con la aproximaci\u00f3n de plasma fr\u00edo. A continuaci\u00f3n se ha desarrollado una soluci\u00f3n mediante separaci\u00f3n de variables, aplicando el teorema de st\u00ed\u00bcrm-liouville para satisfacer las condiciones de frontera entre medios con distintas caracter\u00edsticas.  los resultados son coherentes con los datos observacionales hasta el momento y permiten estimar parametros de la corona, como el campo magn\u00e9tico. Una de las conclusiones m\u00e1s importantes es que pocos modos oscilatorios quedan atrapados, por lo que mucha de la energ\u00eda de una excitaci\u00f3n escapar\u00eda de estas estructuras. Adem\u00e1s, se describe la estructura espacial de los modos, importante de cara a las observaciones, as\u00ed como la dependencia de los periodos respecto a magnitudes f\u00edsicas del plasma, tales como la anchura, la longitud de las l\u00edneas de campo o el contraste de densidades. Finalmente se ha dado un primer paso en el estudio de la interacci\u00f3n de m\u00e1s de una de estas estructuras y se han propuesto nuevas l\u00edneas de investigaci\u00f3n para mejorar la comprensi\u00f3n de las oscilaciones en la corona.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Fast magnetohydrodynamis waves in line-tied solar coronal flux tubes<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Fast magnetohydrodynamis waves in line-tied solar coronal flux tubes <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Antonio  Jes\u00fas D\u00edaz Medina <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Illes balears<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 13\/04\/2005<\/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> Ballester Mortes Jos\u00e9 Lu\u00eds<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: eduardo Battaner l\u00f3pez <\/li>\n<li>bernard Roberts (vocal)<\/li>\n<li>jaume Terradas calafell (vocal)<\/li>\n<li>r\u00f3bert Von fay-siebenb\u00ed\u00bcrgen (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Antonio Jes\u00fas D\u00edaz Medina Esta tesis est\u00e1 dedicada al estudio de los modos oscilatorios magnetoac\u00fasticos (mhd) r\u00e1pidos [&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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