{"id":29258,"date":"2018-03-09T09:22:18","date_gmt":"2018-03-09T09:22:18","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/gauge-and-supersymmetry-breaking-in-orbifold-field-theories\/"},"modified":"2018-03-09T09:22:18","modified_gmt":"2018-03-09T09:22:18","slug":"gauge-and-supersymmetry-breaking-in-orbifold-field-theories","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/gauge-and-supersymmetry-breaking-in-orbifold-field-theories\/","title":{"rendered":"Gauge and supersymmetry breaking in orbifold field theories"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Gero Von Gersdorff <\/strong><\/h2>\n<p>En esta tesis se estudian diversos aspectos de modelos de f\u00edsica de part\u00edculas con dimensiones extras.  estas teor\u00edas permiten nuevos mecanismos de rotura de simetr\u00eda, como supersimetr\u00eda o simetr\u00eda gauge. En la primera parte se investiga el mecanismo de scherk schwarz de rotura de supersimetr\u00eda, y se explica que se lo puede interpretar como una rotura espont\u00e1nea, usando el formalismo off-shell de supergravedad en cinco dimensiones. Se identifica el campo auxiliar, cuyo valor de expectaci\u00f3n da lugar a la rotura, como quinta componente de un campo vectorial que es el campo de gauge de la simetr\u00eda r. Se construye un modelo en el que supersimetr\u00eda est\u00e1 rota por dicho mecanismo, y el tama\u00f1o de la quinta dimensi\u00f3n fijado por la energ\u00eda de casimir.  en la segunda parte se estudian teor\u00edas gauge en orbifolds. Una idea interesante en teor\u00edas de dimensiones extras es la unificaci\u00f3n de part\u00edculas de esp\u00edn diferente; un bos\u00f3n de gauge y el higgs forman parte de un bos\u00f3n de gauge en la teor\u00eda de dimensi\u00f3n m\u00e1s alta. Una caracter\u00edstica deseable de estos modelos es que correciones radiativas al potencial del higgs son finitas. en orbigolds, esta propiedad asombrosa puede ser estropeada por efectos localizados en las branas. Se estudian las situaciones en las que puede ocurrir esto y se exploran posibilidades como puede evitarse que se produzcan estas correcciones radiativas localizadas.  finalmente, se estudian las anomalias de simetr\u00eda gauge en orbifolds. Cualquier teor\u00eda consistente no debe tener anomal\u00edas, y por tanto la cancelaci\u00f3n de \u00e9stas es un concepto muy \u00fatil en la construcci\u00f3n de modelos realistas. aparte de anomal\u00edas del bula, pueden surgir anomal\u00edas localizadas en las singularidades. Se calculan estas anomal\u00edas que est\u00e1n generadas tanto por fermiones del bulk y de la brana com por las p-formas de green schawarz, y se exploran posibilidades de su cancelaci\u00f3n.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Gauge and supersymmetry breaking in orbifold field theories<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Gauge and supersymmetry breaking in orbifold field theories <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Gero Von Gersdorff <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Aut\u00f3noma de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 18\/03\/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>Mar\u00eda no Quir\u00f3s Carcel\u00e9n<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Antonio Riotto <\/li>\n<li>jaume Garriga torres (vocal)<\/li>\n<li>alejandro Pomarol clotet (vocal)<\/li>\n<li>Francisco Del aguila gimenez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gero Von Gersdorff En esta tesis se estudian diversos aspectos de modelos de f\u00edsica de part\u00edculas con [&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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