Planck Scale Cosmology and Resummed Quantum Gravity
B.F.L. Ward (Department of Physics, Baylor University, Waco, TX, USA)

TL;DR
This paper applies amplitude-based resummation techniques to Einstein's quantum gravity, providing first-principles predictions for the UV fixed points of gravitational constants and linking to asymptotic safety models in Planck scale cosmology.
Contribution
It introduces a novel resummation approach to quantum gravity that yields predictive UV fixed points, connecting fundamental theory with phenomenological models.
Findings
Predicted UV fixed-point values for gravitational and cosmological constants.
Established connections between resummed quantum gravity and asymptotic safety.
Provided a first-principles derivation of Planck scale cosmological parameters.
Abstract
We show that, by using amplitude-based resummation techniques for Feynman's formulation of Einstein's theory, we get quantum field theoretic 'first principles' predictions for the UV fixed-point values of the dimensionless gravitational and cosmological constants. Connections to the phenomenological asymptotic safety analysis of Planck scale cosmology by Bonanno and Reuter are discussed.
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Taxonomy
TopicsCosmology and Gravitation Theories · Relativity and Gravitational Theory · Noncommutative and Quantum Gravity Theories
