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On particle collisions near rotating black holes

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Abstract

Scattering of particles with different masses and energy in the gravitational field of rotating black holes is considered both outside and inside the black hole. Expressions for scattering energy of particles in the center-of-mass reference frame are obtained. It is shown that the scattering energy of particles in this frame can acquire very large values not only for extremal black holes but also for nonextremal ones if one takes into account multiple scattering. Numerical estimates for the time needed for a particle to get ultrarelativistic energy are given.

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Authors and Affiliations

  1. Friedmann Laboratory for Theoretical Physics, Griboedov kanal 30/32, St. Petersburg, 191023, Russia

    A. A. Grib & Yu. V. Pavlov

  2. Russian State Pedagogical University (The Herzen University), nab. Reki Moiki 48, St. Petersburg, 191186, Russia

    A. A. Grib

  3. Institute of Mechanical Engineering, Russian Academy of Sciences, Bol’shoy pr. 61, St. Petersburg, 199178, Russia

    Yu. V. Pavlov

Authors
  1. A. A. Grib
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  2. Yu. V. Pavlov
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Correspondence to A. A. Grib.

Additional information

Plenary talk given at the International Conference RUDN-10, June 28–July 3, 2010, PFUR, Moscow.

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Grib, A.A., Pavlov, Y.V. On particle collisions near rotating black holes. Gravit. Cosmol. 17, 42–46 (2011). https://doi.org/10.1134/S0202289311010099

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  • DOI: https://doi.org/10.1134/S0202289311010099

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