On the derivation of Hawking radiation associated with the formation of a black hole

Details On the derivation of Hawking radiation associated with the formation of a black hole On the derivation of Hawking radiation associated with the formation of a black hole

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990cmaph.127..273f&link_type=abstract

Communications in Mathematical Physics, Volume 127, Issue 2, pp.273-284

Mathematics

Mathematical Physics

64

Scientific paper

We show how in gravitational collapse the Hawking radiation at large times is precisely related to a scaling limit on the sphere where the star radius crosses the Schwarzschild radius (as long as the back reaction of the radiation on the metric is neglected). For a free quantum field it can be exactly evaluated and the result agrees with Hawking's prediction. For a realistic quantum field theory no evaluation based on general principles seems possible. The outcoming radiation depends on the field theoretical model.

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