Covariant Quantization of CPT-violating Photons

@article{Colladay2017CovariantQO,
  title={Covariant Quantization of CPT-violating Photons},
  author={Don Colladay and Patrick McDonald and Jacob P. Noordmans and Robertus Potting},
  journal={Physical Review D},
  year={2017},
  volume={95},
  pages={025025}
}
  • Don Colladay, Patrick McDonald, +1 author Robertus Potting
  • Published 2017
  • Physics
  • Physical Review D
  • We perform the covariant canonical quantization of the CPT- and Lorentz-symmetry-violating photon sector of the minimal Standard-Model Extension, which contains a general (timelike, lightlike, or spacelike) fixed background tensor $k_{AF}^\mu$. Well-known stability issues, arising from complex-valued energy states, are solved by introducing a small photon mass, orders of magnitude below current experimental bounds. We explicitly construct a covariant basis of polarization vectors, in which the… CONTINUE READING

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