Stimulated emission processes near a black hole

Details Stimulated emission processes near a black hole Stimulated emission processes near a black hole

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jpha...15..825f&link_type=abstract

Journal of Physics A - Mathematical and General, vol. 15, Mar. 1982, p. 825-830.

Astronomy and Astrophysics

Astronomy

1

Black Holes (Astronomy), Population Inversion, Radiative Transfer, Red Shift, Schwarzschild Metric, Stimulated Emission, Atomic Excitations, Circular Orbits, Doppler Effect, Gravitational Effects, Photons

Scientific paper

The amplification of the unstable photon orbits in the Schwarzschild metric near r = 3M by stimulated emission is discussed. The behavior of these orbits is studied in detail, and it is shown that orbits which circle the black hole a large number of times can be greatly amplified by stimulated emission. The effects of the Doppler and gravitational red shifts are calculated. A mechanism by which a population inversion can be created in infalling atoms is suggested. An upper bound on the energy released by this process is discussed, and it is shown that the energy output by stimulated emission is a very small fraction of the total energy released by accretion of matter onto a black hole.

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