REVIEW 6 cited by
Probing Planckian physics: resonant production of particles during inflation and features in the primordial power spectrum
Not yet reviewed by Pith; the record is open.
This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.
SPECIMEN: schema-true, not a live event
T0 review · schema-true
One-sentence machine reading of the paper's core claim.
pith:XXXXXXXX · record.json · timestamp
read the original abstract
The phenomenon of resonant production of particles {\it after} inflation has received much attention in the past few years. In a new application of resonant production of particles, we consider the effect of a resonance {\em during} inflation. We show that if the inflaton is coupled to a massive particle, resonant production of the particle during inflation modifies the evolution of the inflaton, and may leave an imprint in the form of sharp features in the primordial power spectrum. Precision measurements of microwave background anisotropies and large-scale structure surveys could be sensitive to the features, and probe the spectrum of particles as massive as the Planck scale.
Forward citations
Cited by 6 Pith papers
-
Preheated inflation
Slow-roll inflation can sustain a subdominant non-thermal radiation bath through narrow parametric resonance, producing observable oscillatory features in the curvature power spectrum and secondary gravitational waves.
-
Probing inflationary features with galaxy ultraviolet luminosity function observables
Galaxy UV luminosity function data at z=6–9 give upper limits on bump-like inflationary features at k≈0.3–20 Mpc^-1, similar to but not stronger than optical-depth constraints.
-
Running of the spectral index: Reconciling the CMB with the Lyman-$\alpha$ Forest
Combining Planck, ACT, SPT-3G and eBOSS data, the authors report a ~2σ preference for a nonzero second derivative of the primordial spectral index and show that featureful inflationary potentials fit the data better t...
-
Signals from the early Universe: a comprehensive search for primordial features in Planck CMB datasets
Systematic re-analysis of Planck PR3 and PR4 CMB datasets finds local fit improvements of up to Δχ² ≈ -15 for certain oscillatory templates but no global significance above 2.6σ after look-elsewhere correction and Bay...
-
Measurement of Downward-going Milli-charged particles beyond GZK cutoff at the Pierre Auger Observatory
The paper derives 90% C.L. upper limits on milli-charged kinetic mixing from a private fit to Auger hybrid data and claims a newly excluded region, but the analysis is not reproducible and the text is internally inconsistent.
-
High-Redshift Signatures from the Cosmic Dawn and the Epoch of Reionization
A review chapter summarizing theoretical 21-cm signatures from Cosmic Dawn and Reionization and their detectability with SKA-Low.
Discussion (0). Sign in to comment.