Dokumentdetails
ID
oai:arXiv.org:2408.12587
Thema
Astrophysics - Cosmology and Nonga... High Energy Physics - Phenomenolog...Autor
Autieri, Gabriele Redi, MicheleKategorie
Wissenschaften: Astrophysik
Jahr
2024
Auflistungsdatum
18.12.2024
Schlüsselwörter
slow rollZusammenfassung
We present new single field inflationary scenarios that produce the critical abundance of primordial black holes as dark matter reconstructing the inflaton potential from an input power spectrum.
The method is exact in the slow roll approximation but remains effective even when the slow roll conditions are temporarily violated such as in ultra slow roll models.
With this method we construct new ultra slow roll scenarios and also models that reproduce the DM abundance within the slow roll regime.
As a second application we consider a scalar power spectrum that generates a secondary gravitational wave background compatible with the one recently observed in Pulsar Timing Arrays experiments.
These scenarios could be tested by future observations of $\mu-$distortions of the CMB.
;Comment: 18 pages, 9 figures; v2) Refs.
added
Autieri, Gabriele,Redi, Michele, 2024, Reconstructing the Inflaton Potential: Primordial Black Holes and Gravitational Waves in Slow Roll and Ultra Slow Roll Single Field Inflation
Sparse-to-Dense LiDAR Point Generation by LiDAR-Camera Fusion for 3D Object Detection
detection features detecting computer information generation semantic data objects
Evaluation of spinopelvic parameters in patients with lumbosacral transitional vertebra: a cross sectional and comparative study
lordosis lumbar study patients ache compared low lstv parameters lumbosacral pelvic vertebra transitional
