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Master's Dissertation
DOI
https://doi.org/10.11606/D.76.2011.tde-29082011-102242
Document
Author
Full name
Rafael Guolo Dias
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2011
Supervisor
Committee
Vanzella, Daniel Augusto Turolla (President)
Constantinidis, Clisthenis Ponce
Saa, Alberto Vazquez
Title in Portuguese
Formulações alternativas da relatividade geral: da geometrodinâmica à estrutura de Gauge de Ashtekar-Barbero
Keywords in Portuguese
Ashtekar
Conexões
Fibrados
Relatividade Geral
Teorias de Gauge
Abstract in Portuguese
Desenvolvemos aqui um estudo das formulações alternativas-equivalentes da Relatividade Geral, baseada no formalismo de conexões de Ashtekar. Iniciamos discutindo a estrutura matemática necessária de fibrados e conexões, e a teoria de sistemas Hamiltonianos vinculados. Em seguida, damos uma breve introdução ao formalismo métrico de Einstein e então passamos ao formalismo geometrodinâmico canônico (formalismo ADM). Introduzimos as transformações no espaço de fase que geram as formulações alternativas, de forma generalizada tal que possamos obter ambas as variáveis complexas de Ashtekar ou as variáveis reais de Barbero, ou mesmo qualquer forma intermediária por meio do parâmetro de Immirzzi.
Title in English
Alternative Formulations of General Relativity: from geometrodynamics to Ashtekar-Barbero´s gauge structure
Keywords in English
Ashtekar
Connexions
Fibre Bundles
Gauge Theories
General Relativity
Abstract in English
We develop here a study of the alternative-equivalent formulations of General Relativity, based on Ashtekars connexion formalism. We begin discussing the mathematical structure needed of fibre bundles and connexions, and the theory of constrained Hamiltonian systems. Next, we give a brief introduction for Einsteins metric formalism and then we pass to the canonical geometrodynamic formalism (ADM formalism). We introduce the transformations of the phase space which generate the alternative formulations, in a generalized form such that we can obtain both Ashtekars complex variables or Barberos real variables, or even any intermediary form by using the Immirzzi parameter.
 
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Publishing Date
2011-08-30
 
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