A note on the black hole information paradox in de Sitter spacetimes

Details A note on the black hole information paradox in de Sitter spacetimes A note on the black hole information paradox in de Sitter spacetimes

2008-03-17

arxiv.org/abs/0803.2467v3

Commun.Theor.Phys.52:78-80,2009

Physics

High Energy Physics

High Energy Physics - Theory

4 pages, 1 figure. v3: refereed version

Scientific paper

10.1088/0253-6102/52/1/17

The possibility of stable or quasi--stable Planck mass black hole remnants as solution to the black hole information paradox is commonly believed phenomenologically unacceptable: since we have to expect a black hole remnant for every possible initial state, the number of remnants should be infinite. This would lead to remnant pair production in any physical process with a total available energy roughly exceeding the Planck mass, against trivial evidences. In this note I point out that the number of remnants in our Universe could be finite, at least if the value of the cosmological constant is positive, as present observational data could indicate. Nevertheless, it is not clear if a huge but finite number of states is phenomenologically allowed.

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