Multi-graviton theory from a discretized RS brane-world and the induced cosmological constant
High Energy Physics - Theory
2009-09-17 v1 Astrophysics
General Relativity and Quantum Cosmology
High Energy Physics - Phenomenology
Abstract
We propose a multi-graviton theory with non-nearest-neighbor couplings in the theory space. The resulting four-dimensional discrete mass spectrum reflects the structure of a latticized extra dimension. For a plausible mass spectrum motivated by the discretized Randall-Sundrum brane-world, the induced cosmological constant turns out to be positive and may serve as a quite simple model for the dark energy of our accelerating universe.
Keywords
Cite
@article{arxiv.hep-th/0312269,
title = {Multi-graviton theory from a discretized RS brane-world and the induced cosmological constant},
author = {Guido Cognola and Emilio Elizalde and Shin'ichi Nojiri and Sergei D. Odintsov and Sergio Zerbini},
journal= {arXiv preprint arXiv:hep-th/0312269},
year = {2009}
}
Comments
LaTeX file, 9 pages