Physics – Quantum Physics
Scientific paper
2010-07-06
Physics
Quantum Physics
Master Degree thesis (in portuguese), Advisor: Prof. Dr. Adilson Jose da Silva, 112 pages, 4 figures
Scientific paper
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 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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