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Energy Extraction from Spinning Black Holes via Relativistic Jets by Narayan, Ramesh; McClintock, Jeffrey E.; Tchekhovskoy, Alexander is a scholarly article available to read on EtoBox.

What is Energy Extraction from Spinning Black Holes via Relativistic Jets about?

It has for long been an article of faith among astrophysicists that black hole spin energy is responsible for powering the relativistic jets seen in accreting black holes. Two recent advances have strengthened the case. First, numerical general relativistic magnetohydrodynamic simulations of accreting spinning black holes show that relativistic jets form spontaneously. In at least some cases, there is unambiguous evidence that much of the jet energy comes from the black hole, not the disk. Second, spin parameters of a number of accreting stellar-mass black holes have been measured. For ballistic jets from these systems, it is found that the radio luminosity of the jet correlates with the spin of the black hole. This suggests a causal relationship between black hole spin and jet power, presumably due to a generalized Penrose process.

Author

Narayan, Ramesh; McClintock, Jeffrey E.; Tchekhovskoy, Alexander

Published

2013

Language

EN