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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

Relação entre os formalismos de Green-Schwarz e espinores puros para a supercorda

Marchioro, Dáfni Fernanda Zenedin [UNESP] 03 1900 (has links) (PDF)
Made available in DSpace on 2014-06-11T19:32:10Z (GMT). No. of bitstreams: 0 Previous issue date: 2005-03Bitstream added on 2014-06-13T20:27:16Z : No. of bitstreams: 1 marchioro_dfz_dr_ift.pdf: 456969 bytes, checksum: 2a5b04c825c9224829a3bca3da7ebeb7 (MD5) / Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) / Nesta tese, mostramos a equivalência dos formalismos de Green-Schwarz e de espinores puros para a supercorda. Partindo da ação de Green-Schwarz no semi-gauge de cone de luz e adicionando graus de liberdade fermiônicos, relacionamos os operadores BRST do formalismo de espinores puros e de Green-Schwarz no semi-gauge de cone de luz através de transformações de similaridade, indicando a equivalência das respectivas cohomologias. Esta prova de equivalência é uma generalização do procedimento usado para relacionar a superpartícula de Brink-Schwarz e a superpartícula do formalismo de espinores puros. / Abstracts: In this thesis, we have shown the equivalence of the Green-Schwarz and pure spinor formalisms for the superstring. Starting from the Green-Schwarz action in the semi-light-cone gauge additional fermionic degrees of freedom, we have related the BRST operator of pure spinor formalism to the semi-light-cone Green-Schwarz operator through similarity transformations, indicating the equivalence of the cohomologies. This equivalence proof is a generalization of the procedure used to related the Brink-Schwarz and pure spinor's superparticle.

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