Large scale-small scale duality and cosmological constant

Details Large scale-small scale duality and cosmological constant Large scale-small scale duality and cosmological constant

1999-06-29

arxiv.org/abs/gr-qc/9906115v1

Phys.Lett. A259 (1999) 97-103

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, LaTeX, To appear in Phys. Lett. A

Scientific paper

10.1016/S0375-9601(99)00409-0

We study a model of quantum cosmology originating from a classical model of gravitation where a self interacting scalar field is coupled to gravity with the metric undergoing a signature transition. We show that there are dual classical signature changing solutions, one at large scales and the other at small scales. It is possible to fine-tune the physics in both scales with an infinitesimal effective cosmological constant.

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