If two geodesic particles collide near a rotating black hole, their energy in the centre of mass frame Ec.m. can become unbound under certain conditions (the so-called BSW effect). The special role is played here by ...

© 2015 World Scientific Publishing Company. If two particles move toward a black hole and collide near the horizon, the energy E<inf>c.m</inf>. in the centre of mass can grow unbounded. This is a so-called Bañados-Silk-West ...