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Aldrovandi, R.; Stedile, E.
Instituto de Fisica Teorica, Sao Paulo (Brazil)
Instituto de Fisica Teorica, Sao Paulo (Brazil)
AbstractAbstract
[en] Gauge theories for non-semisimple groups are examined. A theory for the Poincare group with all the essential characteristics of a Yang-Mills theory possesses necessarily extra equations. Inonu-Wigner contractions of gauge theories are introduced which provide a Lagrangian formalism, equivalent to a lagrangian de Sitter theory supplemented by weak constraints. (Author)
[pt]
Examinam-se teorias de gauge para grupos nao-semi-simples. Uma teoria para o grupo de Poincare com todas as caracteristicas essenciais de uma teoria de Yang-Mills possue necessariamente equacoes extras. Introduzem-se contracoes de Inonu-Wigner de teorias de gauge que fornecem um formalismo lagrangreano, equivalente a teoria de Sitter lagrangeana acrescentada por vinculos fracos. (L.C.)Primary Subject
Source
nd; 35 p
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