The Semiclassical Instability of de Sitter Space

Details The Semiclassical Instability of de Sitter Space The Semiclassical Instability of de Sitter Space

2002-04-02

arxiv.org/abs/hep-th/0204021v1

Physics

High Energy Physics

High Energy Physics - Theory

13 pages. Talk given at the workshop ``Quantum Gravity and Strings'', Dubna, June 2001

Scientific paper

The effect of the spontaneous nucleation of black holes in de Sitter space is
reviewed, and the main steps of the calculation in Nucl.Phys. B 582, 313, 2000
of the one-loop amplitude of this process are summarized. The existence of such
an effect suggests that de Sitter space is not a ground state of quantum
gravity with a positive cosmological constant.

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