Dynamical renormalization group methods in theory of eternal inflation

Abstract

Dynamics of eternal inflation on the landscape admits description in terms of the Martin-Siggia-Rose (MSR) effective field theory that is in one-to-one correspondence with vacuum dynamics equations. On those sectors of the landscape, where transport properties of the probability measure for eternal inflation are important, renormalization group fixed points of the MSR effective action determine late time behavior of the probability measure. I argue that these RG fixed points may be relevant for the solution of the gauge invariance problem for eternal inflation.

11 pages; invited mini-review for Grav.Cosm

References in corpus (11)

• From the Big Bang Theory to the Theory of a Stationary Universe
• What does inflation really predict?
• Probabilities in the inflationary multiverse
• Recycling universe
• On the divergences of inflationary superhorizon perturbations
• Stationarity of Inflation and Predictions of Quantum Cosmology
• Towards a gauge invariant volume-weighted probability measure for eternal inflation
• Hurdles for Recent Measures in Eternal Inflation
• Many-body theory of non-equilibrium systems
• Disorder on the landscape
• Baryogenesis from the amplification of vacuum fluctuations during inflation

Cited by in corpus (19)

• Super-Hubble de Sitter Fluctuations and the Dynamical RG
• Breakdown of Semiclassical Methods in de Sitter Space
• Open EFTs, IR Effects and Late-Time Resummations: Systematic Corrections in Stochastic Inflation
• Cosmological observables, IR growth of fluctuations, and scale-dependent anisotropies
• A parton picture of de Sitter space during slow-roll inflation
• Stochastic Inflation at NNLO
• Dynamical RG and Critical Phenomena in de Sitter Space
• Preventing eternality in phantom inflation
• Multi-field Inflation with a Random Potential
• The δN formula is the dynamical renormalization group
• The vacuum bubbles in de Sitter background and black hole pair creation
• Large fluctuations and Primordial Black Holes
• Instanton solutions mediating tunneling between the degenerate vacua in curved space
• Regulating loops in de Sitter spacetime
• Primordial Black Holes from Effective Field Theory of Stochastic Single Field Inflation at NNNLO
• The Asymptotic Structure of Cosmological Integrals
• Is Non-minimal Inflation Eternal?
• Cosmological Infrared Subtractions & Infrared-Safe Computables
• A Tail of Eternal Inflation