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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Scalar field complex in a Randall-Sundrum scenario. / Campo escalar complexo num cenÃrio de Randall-Sundrum.

Marcio Gomes Viana 06 October 2016 (has links)
CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel Superior / In this work is analysed how is the behavior of the complex scalar field in the Randall- Sundrum RS scenery. The RS model is a model of extra dimension, that solves satisfactorily the problem of the Higgs hierarchy. The problem is related to the big discrepancy between the gravitational and eletroweak scales of mass. The obtained results are based in a not factorable geometry of the Anti-de-Sitter type. We will do a review about general relativity and spacetime anti-de-sitter. We will see the construction of the models RS-I and RS-II, as well how the calculus of conections, through the Christoffel symbol, Ricci tensor, Ricci scalar and Einsteins tensor. Finally, we study the localization of the charge and current of the complex field in a brane. / Nesse trabalho à analisado como se comporta o campo escalar complexo em um cenÃrio de Randall-Sundrum (RS). O modelo RS à um modelo de dimensÃes extras, que resolve de maneira satisfatÃria o problema da hierarquia de Higgs. Esse problema diz respeito à grande discrepÃncia entre Ãs escalas de massa gravitacional e eletrofraca. Os resultados obtidos sÃo fundamentados em uma geometria nÃo-fatorizÃvel do tipo Anti-de-Sitter. Serà feita uma revisÃo sobre Relatividade Geral e EspaÃo-tempo Anti-de-Sitter. Serà visto a construÃÃo dos Modelos de RS-I e RS-II, bem como o cÃlculo das conexÃes, atravÃs do sÃmbolo de Christoffel, tensor de Ricci, escalar de Ricci e tensor de Einstein. Por fim, estudamos a localizaÃÃo da carga e da corrente do campo complexo na brana.

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