An Inverse Lyth Bound for Non-Attractor Inflation

arXiv:2608.25911 · astro-ph.CO · Submitted 2026-08-26 · Read on arXiv

astro-ph.CO

Submitted: 2026-08-26

Updated: 2026-08-26

Comments: 12 pages

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Provenance — 3× in this paper · explained in 4 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Core — 1× in this paper · explained in 2 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Non-Gaussianity — 1× in this paper · explained in 2 episodes

Sources

• What would we learn by detecting a gravitational wave signal in the cosmic microwave background anisotropy?
• The Lyth Bound and the End of Inflation
• A Field Range Bound for General Single-Field Inflation
• Horizon crossing and inflation with large \eta
• Violation of non-Gaussianity consistency relation in a single field inflationary model
• Ultra Slow-Roll Inflation and the non-Gaussianity Consistency Relation
• Ultra slow-roll inflation demystified
• Large-$\eta$ Constant-Roll Inflation Is Never An Attractor
• The attractive behaviour of ultra-slow-roll inflation
• Primordial Black Holes and Slow-Roll Violation
• Primordial Black Holes as a dark matter candidate
• Stochastic inflation beyond slow roll
• Ultra-slow-roll inflation with quantum diffusion

Related papers

• Angular clustering and bias of photometric quasars in the Kilo-Degree Survey Data Release 4
• A Novel kinetic Sunyaev-Zel'dovich Estimator for Electron-Electron Correlations
• Magnetic fields at the dawn of structure formation I. The CARLA J1510+5958 proto-cluster
• Dark Energy Survey Year 6 Results: Weak Lensing and Galaxy Clustering Cosmological Analysis Framework
• Exploring the Impact of Systematic Bias in Type Ia Supernova Cosmology Across Diverse Dark Energy Parametrizations
• Non-Gaussian Galaxy Stochasticity and the Noise-Field Formulation