Phys. Rev. Lett. 44, 301–304 (1980)Is Black-Hole Evaporation Predictable?Received 13 November 1979; published in the issue dated 4 February 1980 If black-hole formation and evaporation can be described by a superscattering operator which is CPT invariant, then it can be described by an S matrix which maps pure initial states into pure final states. Thus black holes may be in principle no more unpredictable than other quantum phenomena. © 1980 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.44.301
DOI:
10.1103/PhysRevLett.44.301
PACS:
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