Planck-scale physics: facts and beliefs

Abstract

The relevance of the Planck scale to a theory of quantum gravity has become a worryingly little examined assumption that goes unchallenged in the majority of research in this area. However, in all scientific honesty, the significance of Planck's natural units in a future physical theory of spacetime is only a plausible, yet by no means certain, assumption. The purpose of this article is to clearly separate fact from belief in this connection.

14 pages, Latex

References in corpus (2)

• Geometry, pregeometry and beyond
• Is empty spacetime a physical thing?

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• Examination of the nature of the Bianchi type cosmological singularities
• Modified Newtonian dynamics and hadronic scales
• K-matter as Mach's principle realization