Limitations on quantum information from black hole physics

Details Limitations on quantum information from black hole physics Limitations on quantum information from black hole physics

2001-09-30

arxiv.org/abs/quant-ph/0110005v1

Acta Phys.Polon. B32 (2001) 3555-3570

Physics

Quantum Physics

LaTeX, 14 pages. Lecture delivered at XXV International School of Theoretical Physics, Ustron, Poland, Sep. 10-16, 2001 (proce

Scientific paper

After reviewing the relation of entropy to information, I derive the entropy bound as applied to bounded weakly gravitating systems, and review the bound's applications to cosmology as well as its extensions to higher dimensions. I then discuss why black holes behave as 1-D objects when emitting entropy, which suggests that a black hole swallows information at a rate restricted by the one-channel information capacity. I discuss fundamental limitations on the information borne by signal pulses in curved spacetime, from which I verify the mentioned bound on the rate of information disposal by a black hole.

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