Duality and helicity: the photon wave function approach

@article{Elbistan2017DualityAH,
  title={Duality and helicity: the photon wave function approach},
  author={M. Elbistan and P. A. Horvathy and P.-M. Zhang},
  journal={Physics Letters A},
  year={2017},
  volume={381},
  pages={2375-2379}
}
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