The Semiclassical Instability of de Sitter Space
Abstract
Description
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.
13 pages. Talk given at the workshop ``Quantum Gravity and Strings'', Dubna, June 2001
13 pages. Talk given at the workshop ``Quantum Gravity and Strings'', Dubna, June 2001