Dark matter and dark energy in combinatorial quantum gravity

Abstract

We point out that dark matter and dark energy arise naturally in a recently proposed model of combinatorial quantum gravity. Dark energy is due to the ground-state curvature at finite coupling, dark matter arises from allotropy in the discrete structure of space-time. The stable structure of the space-time "crystal" represents the curved background, the coexisting metastable allotropes of higher curvature and energy are natural candidates for dark matter.

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