{"id":56301,"date":"2018-03-09T22:43:59","date_gmt":"2018-03-09T22:43:59","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/anomala%c2%adas-y-patologa%c2%adas-en-teorias-cuanticas-de-campos\/"},"modified":"2018-03-09T22:43:59","modified_gmt":"2018-03-09T22:43:59","slug":"anomala%c2%adas-y-patologa%c2%adas-en-teorias-cuanticas-de-campos","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/teoria-cuantica-de-campos\/anomala%c2%adas-y-patologa%c2%adas-en-teorias-cuanticas-de-campos\/","title":{"rendered":"Anomal\u00edas y patolog\u00edas en teor\u00edas cu\u00e1nticas de campos."},"content":{"rendered":"<h2>Tesis doctoral de <strong> David Garc\u00eda \u00e1lvarez <\/strong><\/h2>\n<p>Del an\u00e1lisis de la aparici\u00f3n de t\u00e9rminos no anal\u00edticos y singularidades en la acci\u00f3n efectiva de teor\u00edas gauge tridimensionales, y de su dependencia en el esquema de regularizaci\u00f3n utilizado, se deduce que la denominada anomal\u00eda de paridad puede cancelarse. Esto confiere a dicho fen\u00f3meno una analog\u00eda con el efecto de ruptura espont\u00e1nea, m\u00e1s que con una genuina anomal\u00eda. del an\u00e1lisis de las ambig\u00ed\u00bcedades existentes en las teor\u00edas puras gauge no abelianas se deduce un nuevo mecanismo de generaci\u00f3n de masa. Los valores de la masa obtenidos por este mecanismo est\u00e1n de acuerdo con los obtenidos mediante simulaciones num\u00e9ricas en el reticulo, y con los de nair y karabali por m\u00e9todos hamiltonianos. por otro lado, en un intento de describir la din\u00e1mica de part\u00edculas sin masa y helicidad tres, abordamos el an\u00e1lisis de dos descripciones alternativas de la din\u00e1mica de campos gauge asociados a conexiones simpl\u00e9cticas. Ambas presentan numerosos fen\u00f3menos interesantes, tales como la existencia de un vac\u00edo theta similar al de cromodin\u00e1mica cu\u00e1ntica. la primera teor\u00eda es natural desde el punto de vista geom\u00e9trico, pero no describe una teor\u00eda de campos invariante relativista. La segunda teor\u00eda describe la din\u00e1mica de part\u00edculas de esp\u00edn tres interaccionando entre s\u00ed y con el campo gravitatorio. Las correcciones radiactivas generan un t\u00e9rmino de masa por un mecanismo del tipo coleman-weinberg, lo que muestra de forma expl\u00edcita c\u00f3mo no es posible evadir las restricciones que imponen los teoremas no go a las teor\u00edas de espines superiores a dos. calculando las correcciones radiativas de la nueva teor\u00eda, se observa que muchos acoplos de los t\u00e9rminos de autointeracci\u00f3n de los campos de esp\u00edn tres se vuelven irrelevantes, pero esto no ilumina suficientemente la b\u00fasqueda de una teor\u00eda m\u00e1s sencilla con menos t\u00e9rminos de interacci\u00f3n. en cualquier caso, la teor\u00eda introducida en esta memoria describe la interacci\u00f3n de los campos de esp\u00edn<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Anomal\u00edas y patolog\u00edas en teor\u00edas cu\u00e1nticas de campos.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Anomal\u00edas y patolog\u00edas en teor\u00edas cu\u00e1nticas de campos. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 David Garc\u00eda \u00e1lvarez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Zaragoza<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 19\/12\/2006<\/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>Manuel Asorey Carballeira<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan Mateos guilarte <\/li>\n<li>Miguel Carlos Mu\u00f1oz lecanda (vocal)<\/li>\n<li>enric Verdaguer oms (vocal)<\/li>\n<li>Manuel De le\u00f3n rodr\u00edguez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de David Garc\u00eda \u00e1lvarez Del an\u00e1lisis de la aparici\u00f3n de t\u00e9rminos no anal\u00edticos y singularidades en la acci\u00f3n [&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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