Revival of the Penrose process for astrophysical applications

Details Revival of the Penrose process for astrophysical applications Revival of the Penrose process for astrophysical applications

Mar 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985apj...290...12w&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 290, March 1, 1985, p. 12-14. Research supported by the Indian Space Resear

Astronomy and Astrophysics

Astronomy

18

Astronomical Models, Black Holes (Astronomy), Electromagnetic Fields, High Energy Interactions, Angular Velocity, Electromagnetic Interactions, Relativistic Effects, Relativistic Particles, Rotating Matter

Scientific paper

By utilizing the curious existence of negative energy orbits outside the event horizon of the Kerr black hole, Penrose proposed that rotational energy of the black hole can be extracted. It was independently shown by Bardeen et al. (1972) and Wald (1974) that this process cannot offer an astrophysically viable mechanism for high-energy jets, because for significant gain in energy the breakup of the incident particle must itself be relativistic. In this paper, it is shown that the inconvenient requirement of relativistic splitting could be easily overcome for a black hole immersed in an electromagnetic field.

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