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Master's Dissertation
DOI
https://doi.org/10.11606/D.43.2010.tde-18102010-095437
Document
Author
Full name
Denny Mauricio de Oliveira
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2010
Supervisor
Committee
Silva, Adilson Jose da (President)
Dias, Alex Gomes
Gomes, Marcelo Otavio Caminha
Title in Portuguese
Quebra da simetria de Lorentz na eletrodinâmica quântica
Keywords in Portuguese
campo de calibre
correções radiativas
teoria de campo e onda
Abstract in Portuguese
Nesta dissertação, estudamos implicações geradas pela quebra da simetria de Lorentz na Eletrodinâmica Quântica. Analisamos férmions interagindo com um campo eletromagnético nos contextos da mecânica quântica e ao efetuar correções radiativas. Na mecânica quântica, os termos de quebra da simetria de Lorentz foram tratados como perturbações à equação de Dirac, e seus valores esperados no vácuo foram obtidos. Nas correções radiativas, a quebra da simetria de Lorentz foi introduzida nessa interação para que o termo tipo Chern-Simons pudesse ser induzido em (3+1) dimensões. Também discutimos as consequências geradas por este termo sobre as velocidades de propagação de fótons clássicos.
Title in English
Lorentz symmetry breaking in quantum electrodynamics
Keywords in English
gauge field
radiative corrections
theory of field and waves
Abstract in English
In this dissertation, we study the implications generated by the Lorentz breaking symmetry in quantum electrodynamics. We analyze fermions interacting with an electromagnetic field in the contexts of quantum mechanics and we make radiative corrections. In quantum mechanics, the terms of the Lorentz breaking symmetry were treated as perturbations to the Dirac equation, and their expected values were obtained in a vacuum. In the radiative corrections, the Lorentz breaking symmetry was introduced in this interaction for the Chern-Simons like term could be induced in (3 +1) dimensions. We also discussed the consequences generated by this term on the propagation speeds of classic photons.
 
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dissertacao_denny.pdf (666.44 Kbytes)
Publishing Date
2010-10-22
 
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