Impact of Scale-dependent Primordial Non-Gaussianity on Scalar-induced Gravitational Waves

arXiv:2608.24883 · astro-ph.CO, hep-ph, hep-th · Submitted 2026-08-25 · Read on arXiv

astro-ph.CO, hep-ph, hep-th

Submitted: 2026-08-25

Updated: 2026-08-25

Comments: 47 pages, 27 figures + References

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

Terminology

• Non-Gaussianity — 58× in this paper · explained in 2 episodes
• Benchmark — 42× in this paper · explained in 2 episodes
• Primordial non-Gaussianity — 16× in this paper · explained in 2 episodes
• Abundance — 13× in this paper · explained in 1 episode
• Bispectrum — 10× in this paper · explained in 3 episodes
• Consistency — 6× in this paper · explained in 3 episodes
• Regularization — 6× in this paper · explained in 3 episodes
• Primordial Black Holes (PBHs) — 3× in this paper · explained in 7 episodes
• Clustering — 2× in this paper · explained in 2 episodes
• Frequency Dependence — 2× in this paper · explained in 2 episodes
• Generalization — 2× in this paper · explained in 13 episodes
• Core — 1× in this paper · explained in 2 episodes
• Reheating — 1× in this paper · explained in 2 episodes
• pulsar timing arrays — 1× in this paper · explained in 2 episodes

Sources

• Semianalytic Calculation of Gravitational Wave Spectrum Nonlinearly Induced from Primordial Curvature Perturbations
• A Cosmological Signature of the SM Higgs Instability: Gravitational Waves
• Scalar induced gravitational waves review
• The NANOGrav 15-year Data Set: Evidence for a Gravitational-Wave Background
• The second data release from the European Pulsar Timing Array III. Search for gravitational wave signals
• Cosmology with the Laser Interferometer Space Antenna
• Sensitivity Studies for Third-Generation Gravitational Wave Observatories
• The Science of the Einstein Telescope
• Non-Gaussianity and the induced gravitational wave background
• Primordial Non-Gaussianity $f_{\mathrm{NL}}$ and Anisotropies in Scalar-Induced Gravitational Waves
• Gravitational waves induced by the local-type non-Gaussian curvature perturbations
• Primordial black holes in non-Gaussian regimes
• Primordial Black Holes from Inflation and non-Gaussianity
• Primordial black hole formation with non-Gaussian curvature perturbations
• Peaks and primordial black holes: the effect of non-Gaussianity
• Primordial non-gaussianity up to all orders: theoretical aspects and implications for primordial black hole models
• Non-Gaussianity effects on the primordial black hole abundance for sharply-peaked primordial spectrum
• The Sign of non-Gaussianity and the Primordial Black Holes Abundance
• Quantum diffusion beyond slow-roll: implications for primordial black-hole production
• Primordial Black Holes and Local Non-Gaussianity in Canonical Inflation

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