Shell-mediated tunnelling between (anti-)de Sitter vacua
General Relativity and Quantum Cosmology
2008-11-26 v3 High Energy Physics - Theory
Abstract
We give an extensive study of the tunnelling between arbitrary (anti-)de Sitter spacetimes separated by an infinitesimally thin relativistic shell in arbitrary spacetime dimensions. In particular, we find analytically an exact expression for the tunnelling amplitude. The detailed spacetime structures that can arise are discussed, together with an effective "regularization scheme" for "before tunnelling" configurations.
Keywords
Cite
@article{arxiv.0704.1073,
title = {Shell-mediated tunnelling between (anti-)de Sitter vacua},
author = {Stefano Ansoldi and Lorenzo Sindoni},
journal= {arXiv preprint arXiv:0704.1073},
year = {2008}
}
Comments
LaTeX, 23 pages, 20 figures: in print on Phys. Rev. D; structure of the paper streamlined, some typos corrected, one reference added, one figure added with a contourplot of the transition probability; various corrections also in the figures with the Penrose diagrams of the tunnelling