Hawking radiation from ultrashort laser pulse filaments.

@article{Belgiorno2010HawkingRF,
  title={Hawking radiation from ultrashort laser pulse filaments.},
  author={Francesco Belgiorno and Sergio Luigi Cacciatori and Matteo Clerici and Vittorio Gorini and Giovanni Ortenzi and Luca Rizzi and Eleonora Rubino and Vera G. Sala and Daniele Faccio},
  journal={Physical review letters},
  year={2010},
  volume={105 20},
  pages={
          203901
        }
}
Event horizons of astrophysical black holes and gravitational analogues have been predicted to excite the quantum vacuum and give rise to the emission of quanta, known as Hawking radiation. We experimentally create such a gravitational analogue using ultrashort laser pulse filaments and our measurements demonstrate a spontaneous emission of photons that confirms theoretical predictions. 

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