Parisi-Sourlas-like dimensional reduction of quantum gravity in the presence of observers

DOI10.1088/1475-7516/2021/05/048zbMath1485.83174arXiv2004.09708OpenAlexW3019715427MaRDI QIDQ5028137

Robert Lanza, Dmitry Podolsky, Andrei O. Barvinsky

Publication date: 8 February 2022

Published in: Journal of Cosmology and Astroparticle Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2004.09708

zbMATH Keywords

inflationmodified gravityalternatives to inflationinitial conditions and eternal universe

Mathematics Subject Classification ID

Relativistic cosmology (83F05) Disordered systems (random Ising models, random Schrödinger operators, etc.) in equilibrium statistical mechanics (82B44) Geometrodynamics and the holographic principle (83E05) Relativistic gravitational theories other than Einstein's, including asymmetric field theories (83D05) Methods of global Riemannian geometry, including PDE methods; curvature restrictions (53C21) Propagation of singularities; initial value problems on manifolds (58J47) Effective quantum field theories (81T12)

Cites Work

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• \(f(R)\) theories
• Geometric analysis of \(\phi^ 4\) fields and Ising models. I, II
• Quantum gravity on the lattice
• Gauge invariance in simplicial gravity
• Microscopic origin of the Bekenstein-Hawking entropy
• Review of recent developments in the random-field Ising model
• Closed strings and weak gravity from higher-spin causality
• Entanglement entropy of black holes
• A new type of isotropic cosmological models without singularity
• On decoherence in quantum gravity
• Decoherence, einselection, and the quantum origins of the classical
• Statistical Field Theory
• Quantum diffusion during inflation and primordial black holes
• The cosmological constant problem
• Can Quantum-Mechanical Description of Physical Reality Be Considered Complete?

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