Synchrotron geodesic radiation in Schwarzschild–de Sitter spacetime

@article{Brito2020SynchrotronGR,
  title={Synchrotron geodesic radiation in Schwarzschild–de Sitter spacetime},
  author={Jo{\~a}o P. B. Brito and Rafael P. Bernar and Lu{\'i}s C. B. Crispino},
  journal={Physical Review D},
  year={2020}
}
We analyze the scalar radiation emitted by a source in geodesic circular orbits around a Schwarzschild-de Sitter black hole. We obtain the emitted power using quantum field theory in curved spacetimes framework at tree level. We compare our results with the scalar synchrotron radiation in Schwarzschild spacetime. 
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