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Penrose, R. (1962) The Light Cone at Infinity. International Conference on Relativistic Theories of Gravitation, Warsaw and Jablonna, 25-31 July 1962, 369-373.

has been cited by the following article:

• TITLE: Quantum Origin of the Event Horizon

  AUTHORS: Miguel Socolovsky

  KEYWORDS: Event Horizon, Minkowski-Schwarzschild Spacetimes, Thin Shell Collapse

  JOURNAL NAME: Journal of High Energy Physics, Gravitation and Cosmology, Vol.11 No.2, March 31, 2025

  ABSTRACT: An analysis of the Penrose-Carter diagram of the gravitational collapse of a thin shell of radiation in Minkowski spacetime supports the idea of a quantum origin of the event horizon, and therefore of the concomitant collapse process. The analysis is based on the unavoidable presence of a length scale in the conformal compactification of both Minkowski and Schwarzschild spacetimes, which in a natural way can be identified with the Planck length. One should arrive at the same conclusion, however, with a more involved mathematical description, for any other collapse process with a not naked singularity i.e. protected by an event horizon.