Superlight inverse Doppler effect

@article{Shi2018SuperlightID,
  title={Superlight inverse Doppler effect},
  author={X. Shi and Xiao Lin and I. Kaminer and F. Gao and Z. Yang and J. Joannopoulos and M. Solja{\vc}i{\'c} and B. Zhang},
  journal={Nature Physics},
  year={2018},
  volume={14},
  pages={1001-1005}
}
  • X. Shi, Xiao Lin, +5 authors B. Zhang
  • Published 2018
  • Physics
  • Nature Physics
  • It has long been thought1 that the inverse Doppler frequency shift of light2–13 is impossible in homogeneous systems with a positive refractive index. Here we break this long-held tenet by predicting a previously unconsidered Doppler effect of light inside a radiation cone, the so-called Vavilov–Cherenkov cone, under specific circumstances. It has been known from the classic work of Ginzburg and Frank that a superlight (that is, superluminal) normal Doppler effect14–18 appears inside the… CONTINUE READING
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