Spacetime foam correlation renders the cosmological constant (dark energy)

2025/07/18 by She-Sheng Xue, Xue, She-Sheng · 1 voice
Physics and Astronomy · #Advanced Mathematical Theories and Applications #Cosmological constant #Cosmology and Gravitation Theories #Effective action #FOS: Physical sciences #Field (mathematics) #General Physics (physics.gen-ph) #High Energy Physics - Theory (hep-th) #Planck #Quantum field theory #Quantum field theory in curved spacetime #Relativity and Gravitational Theory #Scalar field #Scaling #Spacetime #hep-th #physics.gen-ph

paper · pdf · doi:10.48550/arxiv.2507.15881

published in arXiv (Cornell University) (Cornell University)

openalex publication_date 2025/07/18 · arxiv published 2025/07/18 · arxiv updated 2025/09/15 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Wheeler's spacetime foams (wormholes) at the Planck length undergo quantum nucleation, oscillation and annihilation. Their collective excitations over foamy spacetime interact with field operators at large distances. We describe such collective excitation and interaction using an effective ``foamon'' field coupled with field operators. The Wilson renormalisation group approach shows that the foamon field theory evolves from an infrared scaling invariant domain to an ultraviolet one, when numerous particles are present. In these domains, the foamon field induces an effective action of field operators, and its correlation length sets a natural scale. Applying this to cosmology, we obtain the effective Einstein action for the Ricci scalar and the cosmological constant (dark energy), including its equation of state and interaction with matter.

Citations

• Curvature fluctuations in a baby quantum gravity model
• Massive particle pair production and oscillation in Friedman Universe: reheating energy and entropy, and cold dark matter
• The Swampland: Introduction and Review
• Gravitational instanton and cosmological term
• Exact evolution equation for the effective potential
• Radiative Corrections as the Origin of Spontaneous Symmetry Breaking
• Radiative Corrections as the Origin of Spontaneous Symmetry Breaking
• On the nature of quantum geometrodynamics

Discussions

• She-Sheng Xue: Spacetime foam correlation renders the cosmological constant (dark energy) https://arxiv.org/abs/2507.15881 https://arxiv.org/pdf/2507.15881 https://arxiv.org/html/2507.15881 [bsky, 0 points, 0 comments]

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