Lorentz-Violating Extension of the Standard Model

@article{Colladay1998LorentzViolatingEO,
  title={Lorentz-Violating Extension of the Standard Model},
  author={Don Colladay and Alan Kosteleck{\'y}},
  journal={Physical Review D},
  year={1998},
  volume={58},
  pages={116002}
}
In the context of conventional quantum field theory, we present a general Lorentz-violating extension of the minimal $\mathrm{SU}(3)\ifmmode\times\else\texttimes\fi{}\mathrm{SU}(2)\ifmmode\times\else\texttimes\fi{}\mathrm{U}(1)$ standard model including $\mathrm{CPT}$-even and $\mathrm{CPT}$-odd terms. It can be viewed as the low-energy limit of a physically relevant fundamental theory with Lorentz-covariant dynamics in which spontaneous Lorentz violation occurs. The extension has gauge… 
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