Minkowski Brane in Asymptotic dS${}_5$ Spacetime without Fine-tuning

Abstract

We discuss properties of a 3-brane in an asymptotic 5-dimensional de-Sitter spacetime. It is found that a Minkowski solution can be obtained without fine-tuning. In the model, the tiny observed positive cosmological constant is interpreted as a curvature of 5-dimensional manifold, but the Minkowski spacetime, where we live, is a natural 3-brane perpendicular to the fifth coordinate axis.

6 pages, Latex file

References in corpus (2)

• Casimir energy for de Sitter branes in bulk AdS(5)
• Localization of Gravity on Brane Embedded in $Ad{S}_5$ and $d{S}_5$

Cited by in corpus (1)

• Vacuum Energy Density and Cosmological Constant in dS Brane World