{"id":73337,"date":"2018-03-09T23:18:15","date_gmt":"2018-03-09T23:18:15","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/few-particle-systems-interacting-with-a-strong-laser-field\/"},"modified":"2018-03-09T23:18:15","modified_gmt":"2018-03-09T23:18:15","slug":"few-particle-systems-interacting-with-a-strong-laser-field","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/few-particle-systems-interacting-with-a-strong-laser-field\/","title":{"rendered":"Few particle systems interacting with a strong laser field"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Camilo Ruiz Mendez <\/strong><\/h2>\n<p>La t\u00e9sis presentada aborda los problemas de interacci\u00f3n de un laser intenso con \u00e1tomos y mol\u00e9culas haciendo \u00e9nfasis en los mecanismos de correlaci\u00f3n entre los electrones.  a lo largo de la \u00faltima d\u00e9cada, el avance en la tecnolog\u00eda de amplificaci\u00f3n laser llamada cpa (chirped pulse amplification) ha permitido disponer de fuentes laser de luz muy intensa,, por encima de la unidad at\u00f3mica de intensidad (i_c=3.5e14 w\/cm^2). Cuando los \u00e1tomos o las mol\u00e9culas interaccionan con esta luz, la misma estructura del \u00e1tomo queda totalmente distorsionada por lo que un estudio perturbativo de la interacci\u00f3n ya no es posible.  en esta t\u00e9sis abordamos este problema, el de la ionizaci\u00f3n de \u00e1tomos y mol\u00e9culas en interacci\u00f3n con un laser intenso. El principal objetivo de la t\u00e9sis es el de mostrar como los efectos de correlaci\u00f3n entre los electrones del \u00e1tomo sigue siendo muy importante a\u00fan cuando la interacci\u00f3n con el laser es tan intensa.  la metodolog\u00eda del estudio es la resoluci\u00f3n ab initio de la ecuaci\u00f3n de schroedinger dependiente del tiempo. La resoluci\u00f3n num\u00e9rica de estas ecuaciones requiere complejas t\u00e9cnicas num\u00e9ricas y de ordenadores de c\u00f3mputo masivo.  los resultados m\u00e1s importantes de la tesis son los siguientes:  en un modelo unidimensional del helio que incluye de manera exacta la interacci\u00f3n entre dos electrones y el campo, hemos mostrado las diferencias que se observan cuando se comparan dos tipos de \u00e1tomos de helio. En el caso del singlete del helio, la doble ionizaci\u00f3n es m\u00e1s eficiente que en el triplete donde la correlaci\u00f3n se inhibe.  estas ideas se pueden extender a \u00e1tomos de tres electrones como el litio en el cual existen dos canales de ionizaci\u00f3n. Nuestro modelo da cuenta de la diferencia entre estos dos canales y la atribuye al efecto de la simetr\u00eda de intercambio exigida por el principio de exclusi\u00f3n de pauli.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Few particle systems interacting with a strong laser field<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Few particle systems interacting with a strong laser field <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Camilo Ruiz Mendez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Salamanca<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 23\/03\/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>Luis Roso Franco<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: alfred Maquet <\/li>\n<li>andreas Becker (vocal)<\/li>\n<li>Francisco Fernandez (vocal)<\/li>\n<li>nikolaus Stolterfoht (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Camilo Ruiz Mendez La t\u00e9sis presentada aborda los problemas de interacci\u00f3n de un laser intenso con \u00e1tomos [&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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