Noncommutative gauge theories and Lorentz symmetry

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We explicitly derive, following a Noether-like approach, the criteria for preserving Poincare invariance in noncommutative gauge theories. Using these criteria we discuss the various spacetime symmetries in such theories. It is shown that, interpreted appropriately, Poincare invariance holds. The analysis is performed in both the commutative as well as noncommutative descriptions and a compatibility between the two is also established.
LaTeX, 20 pages, slightly improved version, one reference added, version appearing in Phys. Rev. D

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/123878

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/0408197
 http://arxiv.org/abs/hep-th/0408197
 Phys. Rev. D 70 (2004) 125004
 doi:10.1103/PhysRevD.70.125004

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