Abstract
If black-hole formation and evaporation can be described by a superscattering operator which is invariant, then it can be described by an matrix which maps pure initial states into pure final states. Thus black holes may be in principle no more unpredictable than other quantum phenomena.
- Received 13 November 1979
DOI:https://doi.org/10.1103/PhysRevLett.44.301
©1980 American Physical Society