Microscopic wormholes affect spacetime
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microscopic wormholesPhysical Review Journals
•Dark energy from topology change induced by microscopic Gauss-Bonnet wormholes
81% Informative
The appearance of microscopic objects with distinct topologies and different Euler characteristics, such as instantons and wormholes, at the spacetime-foam level in Euclidean quantum gravity approaches leads to spacetime topology changes.
Since the latter in a dynamical spacetime is in general time-dependent, one obtains an effective dark energy sector of topological origin.
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