Spectrum of relativistic radiation from electric charges and dipoles as they fall freely into a black hole

@article{Shatskiy2013SpectrumOR,
  title={Spectrum of relativistic radiation from electric charges and dipoles as they fall freely into a black hole},
  author={Alexander Shatskiy and Igor Novikov and L. N. Lipatova},
  journal={Journal of Experimental and Theoretical Physics},
  year={2013},
  volume={116},
  pages={904-910}
}
The motion of electric charges and dipoles falling radially and freely into a Schwarzschild black hole is considered. The inverse effect of the electromagnetic fields on the black hole is neglected. Since the dipole is assumed to be a point particle, the deformation due to the action of tidal forces on it is neglected. According to the theorem stating that “black holes have no hair”, the multipole electromagnetic fields should be completely radiated as a multipole falls into a black hole. The… 
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