Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-07-18
Phys.Rev. D68 (2003) 023503
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, LaTeX, 2 figures, section on quantum corrections added, version to appear in Phys. Rev. D
Scientific paper
10.1103/PhysRevD.68.023503
It is suggested that the mechanism responsible for the resolution of the gauge hierarchy problem within the warped geometry framework can be generalized to provide a new explanation of the extremely tiny vacuum energy density rho_V suggested by recent observations. We illustrate the mechanism with some 5D examples in which the true vacuum energy is assumed to vanish, and rho_V is associated with a false vacuum energy such that rho_V^{1/4} ~ TeV^2/M_{Pl} ~ 10^{-3} eV, where M_{Pl} denotes the reduced Planck mass. We also consider a quintessence-like solution to the dark energy problem.
Huber Stephan J.
Shafi Qaisar
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