A Curvature Principle for the interaction between universes |
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Authors: | Orfeu Bertolami |
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Institution: | 1.Departamento de Física,Instituto Superior Técnico,Lisbon,Portugal;2.Instituto de Plasmas e Fus?o Nuclear,Instituto Superior Técnico,Lisbon,Portugal |
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Abstract: | We propose a Curvature Principle to describe the dynamics of interacting universes in a multi-universe scenario and show,
in the context of a simplified model, how interaction drives the cosmological constant of one of the universes toward a vanishingly
small value. We also conjecture on how the proposed Curvature Principle suggests a solution for the entropy paradox of a universe
where the cosmological constant vanishes.
Essay selected for an honorable mention by the Gravity Research Foundation, 2007. |
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Keywords: | Multi-universe Curvature Principle Cosmological constant |
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