Relativity and Cosmology


On Dark Energy, Weyl's Geometry and Different Derivations of the Vacuum Energy Density

Authors: Carlos Castro

Two different derivations of the observed vacuum energy density are presented. One is based on a class of proper and novel generalizations of the (Anti) de Sitter solutions in terms of a family of radial functions R(r) that provides an explicit formula for the cosmological constant along with a natural explanation of the ultraviolet/ infrared ( UV/IR) entanglement required to solve this problem.....

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Submission history

[v1] 25 Feb 2007

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