Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-11-15
Phys.Lett.B647:427-430,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, no figures, published version
Scientific paper
10.1016/j.physletb.2007.02.024
The radiatively induced Lorentz and CPT violating Chern-Simons terms in QED is calculated based on the recently developed loop regularization method [Y.L. Wu, Int.J.Mod.Phys.A18 (2003) 5363, hep-th/0209021; Y.L. Wu, Mod.Phys.Lett.A19 (2004) 2191, hep-th/0311082] for quantum field theories. It enables us to make general comments on the various results in literature and obtain a consistent result when simultaneously combining the evaluation for the chiral anomaly which has a unique form once the vector current is kept conserved.
Ma Yong-Liang
Wu Yue-Liang
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