Black hole radiation and S-matrix.

Details Black hole radiation and S-matrix. Black hole radiation and S-matrix.

Apr 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999ijtp...38.1207r&link_type=abstract

International Journal of Theoretical Physics, Vol. 38, No. 4, p. 1207 - 1225

Physics

Black Holes: Formation

Scientific paper

The existence of an S-matrix below the threshold of black hole formation would be enough to exhibit, through its analytic structure, eventual thresholds for the creation of new objects and to describe, through analytic continuation, the physics above them in a unitary framework. In the context of a two-dimensional exactly soluble model, the semiclassical dynamics of quantum black holes is obtained by analytically continuing the description of the regime where no black hole is formed. The resulting spectrum of outgoing radiation departs from the one predicted by the Hawking model by the time the outgoing modes arise from the horizon with Planck-order frequencies. The theory predicts an unconventional scenario for the evolution: black holes only radiate out an energy of Planck mass order, stabilizing after a transitory period. A similar picture is obtained in 3+1 dimensions with spherical symmetry.

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