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VOLUME 86 (2007) | ISSUE 2 | PAGE 79
Fundamental length scale of quantum spacetime foam
PACS: 04.20.Gz, 04.60.-m, 98.80.-k
Abstract
It is argued that the fundamental length scale for the quantum dynamics of spacetime need not be equal to the Planck length. Possibly, this new length scale is related to a nonvanishing cosmological constant or vacuum energy density.