Not One Bit of de Sitter Information

Details Not One Bit of de Sitter Information Not One Bit of de Sitter Information

2008-04-02

arxiv.org/abs/0804.0231v2

JHEP0809:041,2008

Physics

High Energy Physics

High Energy Physics - Theory

9 pages, 2 figures, LaTeX, corrected equation 11

Scientific paper

10.1088/1126-6708/2008/09/041

We formulate the information paradox in de Sitter space in terms of the no-cloning principle of quantum mechanics. We show that energy conservation puts an upper bound on the maximum entropy available to any de Sitter observer. Combined with a general result on the average information in a quantum subsystem, this guarantees that an observer in de Sitter space cannot obtain even a single bit of information from the de Sitter horizon, thereby preventing any observable violations of the quantum no-cloning principle, in support of observer complementarity.

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