A New View of the Cosmic Landscape
High Energy Physics - Theory
2007-05-23 v3 General Relativity and Quantum Cosmology
Abstract
In this scenario, a generic meta-stable deSitter vacuum site in the cosmic landscape in string theory has a very short lifetime. Typically, the smaller is the vacuum energy of a meta-stable site, the longer is its lifetime. This view of the landscape can provide a qualitative dynamical explanation why the dark energy of our universe is so small. The argument for this scenario is based on resonance tunneling, a well-known quantum mechanical phenomenon, the topography of the landscape, and the vastness of the cosmic landscape. Mapping the topography of the landscape, even if only in a small region, will test the validity of this scenario.
Cite
@article{arxiv.hep-th/0611148,
title = {A New View of the Cosmic Landscape},
author = {S. -H. Henry Tye},
journal= {arXiv preprint arXiv:hep-th/0611148},
year = {2007}
}
Comments
11 pages, 1 figure. In revised version, some mis-statements corrected. New comments added