Volume 95, Number 5, September 2011
|Number of page(s)||6|
|Section||The Physics of Elementary Particles and Fields|
|Published online||25 August 2011|
On the duality in four-dimensional Lorentz-breaking field theories
UERJ - Universidade do Estado do Rio de Janeiro, Instituto de Física, Departamento de Física Teórica Rua São Francisco Xavier 524, 20550-013 Maracanã, Rio de Janeiro, Brasil
2 Departamento de Física, Universidade Federal da Paraíba - Caixa Postal 5008, 58051-970 João Pessoa, Paraíba, Brazil
3 Instituto de Física, Universidade Federal de Rio de Janeiro - Caixa Postal 21945, Rio de Janeiro, Brazil
Accepted: 20 July 2011
We consider new issues of duality in four-dimensional Lorentz-breaking field theories. In particular, we demonstrate that the arising of the aether-like Lorentz-breaking term is necessary in order for the 4D models to display the duality analog between the MCS and self-dual models in 3D. We further study the dispersion relations in both theories and discuss the physical contents of the models involved in this new duality.
PACS: 11.30.Cp – Lorentz and Poincaré invariance / 11.15.-q – Gauge field theories
© EPLA, 2011
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