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Spacetime Foam, Midisuperspace, and the Cosmological Constant
Published Web Location
https://www.mdpi.com/2218-1997/7/12/495No data is associated with this publication.
Abstract
Perhaps the cosmological constant really is huge at the Planck scale, but is “hidden” by Planck scale quantum fluctuations of spacetime. I briefly review this proposal and provide some evidence, coming from a simplified midisuperspace model, that an appropriate “foamy” structure can do the job of hiding a large cosmological constant, and can persist under time evolution.
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