{"id":69712,"date":"2018-03-09T23:14:09","date_gmt":"2018-03-09T23:14:09","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/los-estados-coherentes-en-la-descripcion-semiclasica-de-la-mecanica-cuantica\/"},"modified":"2018-03-09T23:14:09","modified_gmt":"2018-03-09T23:14:09","slug":"los-estados-coherentes-en-la-descripcion-semiclasica-de-la-mecanica-cuantica","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/la-laguna\/los-estados-coherentes-en-la-descripcion-semiclasica-de-la-mecanica-cuantica\/","title":{"rendered":"Los estados coherentes en la descripci\u00f3n semiclasica de la mecanica cuantica"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Eva Martin Fierro <\/strong><\/h2>\n<p>En esta tesis se presentan m\u00e9todos semicl\u00e1sicos para obtener una descripci\u00f3n de magnitudes cu\u00e1nticas en t\u00e9rminos de informaci\u00f3n cl\u00e1sica de un sistema f\u00edsico. Este estudio se lleva a cabo en la representaci\u00f3n de bargmann, cuyas propiedades geom\u00e9tricas hacen que sea una base adecuada en la de establecer comparaciones cu\u00e1ntico-cl\u00e1sicas. De esta forma, diversos objetos cu\u00e1nticos, como la funci\u00f3n de onda dependiente del tiempo o el propagador cu\u00e1ntico, pueden aproximarse en esta representaci\u00f3n mediante la integraci\u00f3n de trayectorias complejas sometidas a condiciones de contorno evaluadas a dos tiempos. Asimismo, se han obtenido aproximaciones al operador de evoluci\u00f3n cu\u00e1ntico en forma de ivr. Una de las ventajas fundamentales de este formalismo consiste en la posibilidad de construir aproximaciones semicl\u00e1sicas a la funci\u00f3n de onda que sean uniformes, y no presenten los problemas de divergencia en las c\u00e1usticas que sufren las aproximaciones semicl\u00e1sicas wkb.  por otro lado, se presenta un m\u00e9todo semicl\u00e1sico para obtener una aproximaci\u00f3n a la densidad de estados de un sistema cu\u00e1ntico evaluada en t\u00e9rminos de las \u00f3rbitas peri\u00f3dicas tanto reales como complejas existentes a una determinada energ\u00eda. La incoroporaci\u00f3n de trayectorias complejas en el formalismo permite describir fen\u00f3menos puramente cu\u00e1nticos como el tunneling. Por \u00faltimo, se presenta un procedimiento variacinal para obtener una aproximaci\u00f3n a la evoluci\u00f3n de un estado bargmann, al propagador semicl\u00e1sico, as\u00ed como otra forma ivr diferente para el operdor de evoluci\u00f3n cu\u00e1ntico.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Los estados coherentes en la descripci\u00f3n semiclasica de la mecanica cuantica<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Los estados coherentes en la descripci\u00f3n semiclasica de la mecanica cuantica <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Eva Martin Fierro <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 La laguna<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 26\/07\/2004<\/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> G\u00f3mez Llorente Jos\u00e9 M.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: jose Breton pe\u00f1a <\/li>\n<li>salvador Miret artes (vocal)<\/li>\n<li>florentino Borondo rodriguez (vocal)<\/li>\n<li>Santiago Brouard mart\u00edn (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Eva Martin Fierro En esta tesis se presentan m\u00e9todos semicl\u00e1sicos para obtener una descripci\u00f3n de magnitudes cu\u00e1nticas [&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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