Volume 101, Number 2, February 2013
|Number of page(s)||4|
|Published online||29 January 2013|
On the energy of particle collisions in the ergosphere of the rotating black holes
1 A. Friedmann Laboratory for Theoretical Physics - Saint Petersburg, Russia
2 Copernicus Center for Interdisciplinary Studies - Kraków, Poland, EU
3 Theoretical Physics and Astronomy Department, The Herzen University Moika 48, Saint Petersburg 191186, Russia
4 Institute of Problems in Mechanical Engineering, Russian Academy of Sciences Bol'shoy pr. 61, V.O., Saint Petersburg 199178, Russia
Received: 4 January 2013
Accepted: 15 January 2013
It is shown that the energy in the centre-of-mass frame of colliding particles in free fall at any point of the ergosphere of the rotating black hole can grow without limit for fixed energy values on infinity. The effect takes place for large negative values of the angular momentum of one of the particles.
PACS: 04.70.-s – Physics of black holes / 04.70.Bw – Classical black holes / 97.60.Lf – Black holes
© EPLA, 2013
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