Quantum Gravity inspired nonlocal gravity model

Abstract

We consider a nonlocal gravity model motivated by nonperturbative Quantum Gravity studies. This model, if correct, suggests the existence of strong IR relevant effects which can lead to an interesting late time cosmology. We implement the IR modification directly in the effective action. We show that, upon some assumptions on initial conditions, this model describes an observationally viable background cosmology being also consistent with local gravity tests.

12 pages, 5 figures, minor changes made to match published version

References in corpus (10)

• Five-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Interpretation
• Five-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Likelihoods and Parameters from the WMAP data
• Cosmological perturbations and structure formation in nonlocal infrared modifications of general relativity
• Evidence for dark energy from the cosmic microwave background alone using the Atacama Cosmology Telescope lensing measurements
• Dynamics with Infinitely Many Derivatives: The Initial Value Problem
• Nonlinear structure formation in Nonlocal Gravity
• Running of Newton's constant and non integer powers of the d'Alembertian
• Instabilities in tensorial nonlocal gravity
• Renormalization Group Running of Newton's G: The Static Isotropic Case
• Piecewise Conserved Quantities

Cited by in corpus (6)

• Testing nonlocal gravity with Lunar Laser Ranging
• Constraints on Spatially Oscillating Sub-mm Forces from the Stanford Levitated Microsphere Experiment Data
• Observational Constraints in Nonlocal Gravity: the Deser-Woodard Case
• Primordial bouncing cosmology in the Deser-Woodard nonlocal gravity
• Black hole quasinormal modes and isospectrality in Deser-Woodard nonlocal gravity
• Accelerated expansion as manifestation of gravity: when Dark Energy belongs to the left