English

Where has all the information gone?

General Relativity and Quantum Cosmology 2009-11-11 v1 High Energy Physics - Theory Quantum Physics

Abstract

The existence of spacetime singularities is irrelevant for the irreversible appearance of black holes. However, confirmation of the latter's unitary dynamics would require the preparation of a coherent superposition of a tremendous number of appropriate ``Everett worlds''.

Cite

@article{arxiv.gr-qc/0507051,
  title  = {Where has all the information gone?},
  author = {H. D. Zeh},
  journal= {arXiv preprint arXiv:gr-qc/0507051},
  year   = {2009}
}

Comments

10 pages, 1 figure, Latex - Invited paper for a special Einstein issue of Physics Letters A

R2 v1 2026-07-22T12:43:10.301Z