2013/04/30 by A. A. Grib, Yu. V. Pavlov, V. D. Vertogradov · 1 citation
Physics and Astronomy · #gr-qc
paper · pdf · doi:10.1142/s0217732314501107
published as Modern Physics Letters A 29 (2014) 1450110 · 9 pages, no figures, published version
arxiv created 2014/11/03 · arxiv updated 2014/11/05
It is shown that the geodesics with negative energy for rotating black holes cannot originate or terminate inside the ergosphere. Their length is always finite and this leads to conclusion that they must originate and terminate inside the gravitational radius of the ergosphere.