Fundamental length scale of quantum spacetime foam

2007/03/31 by F. R. Klinkhamer · 2 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Classical mechanics #Computer science #Constant (computer programming) #Cosmology and Gravitation Theories #Length scale #Noncommutative and Quantum Gravity Theories #Physics #Planck constant #Planck length #Planck scale #Planck time #Quantum #Quantum fluctuation #Quantum gravity #Quantum mechanics #Quantum spacetime #Scale (ratio) #Schwarzschild radius #Spacetime #Theoretical physics #Vacuum energy #Virtual black hole #gr-qc #hep-ph #hep-th

paper · pdf · doi:10.1134/s0021364007140019

published as JETPLett.86:73-77,2007 · 10 pages with revtex4, v5: published version

arxiv created 2007/08/29 · openalex publication_date 2007/09/01 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

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.

Citations

• Vacuum Quantum Fluctuations in Curved Space and the Theory of Gravitation
• Quantum Fields in Curved Space
• Space-Time Approach to Non-Relativistic Quantum Mechanics
• On the nature of quantum geometrodynamics
• On Gravity's role in Quantum State Reduction
• The World as a Hologram
• Three‐YearWilkinson Microwave Anisotropy Probe(WMAP) Observations: Implications for Cosmology
• Chaotic inflation

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