CPT, Lorentz invariance and anomalous clash of symmetries

Details CPT, Lorentz invariance and anomalous clash of symmetries CPT, Lorentz invariance and anomalous clash of symmetries

2009-06-10

arxiv.org/abs/0906.2010v1

J.Phys.Conf.Ser.171:012042,2009

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, no figures. To appear in the proceedings of Discrete '08: Symposium on Prospects in the Physics of Discrete Symmetrie

Scientific paper

10.1088/1742-6596/171/1/012042

In this paper we first discuss the analysis regarding the role of Lorentz symmetry in the perturbative non-gravitational anomalies for a family of fermions, which has been recently performed in arXiv:0809.0184. The theory is assumed to be translational invariant, power-counting renormalizable and based on a local action, but is allowed to have general Lorentz violating operators, including those that break CPT. The main result is that Lorentz symmetry does not participate in the clash of symmetries that leads to the anomalies. Moreover, here we provide a simple "semiclassical" argument that shortly illustrates the origin of this fact.

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