Abstract
Abstract
Here, generation of Primordial Black Holes (PBHs) from quartic potential in the presence
of a tiny bump in non-canonical inflationary model has been inquired. It is demonstrated that, a
viable inflationary era can be driven through the quartic potential in non-canonical framework
with a power-law Lagrangian density. Furthermore, setting a suitable function of inflaton field as
a correction term (like a bump) to the quartic potential, causes the inflaton to slow down for a
while. In such a short time span, the amplitude of the scalar perturbations power spectrum on
small scales grows up sufficiently versus CMB scales. In addition to the bump feature, the
enhancing effect of the α parameter of the Lagrangian on the amplitude of the scalar power
spectrum has been shown. Fine tuning of three parameter Cases of the model results in generating
of three Cases of PBHs. In addition, we investigate the secondary Gravitational Waves (GWs)
produced during generation of PBHs and show that their contemporary density parameter spectra
(ΩGW0
) can be tracked down by GWs detectors.
Reference108 articles.
1. The Hypothesis of Cores Retarded during Expansion and the Hot Cosmological Model;Zel'dovich;Sov. Astron.,1967
2. Gravitationally collapsed objects of very low mass;Hawking;Mon. Not. Roy. Astron. Soc.,1971
3. Black holes in the early Universe;Carr;Mon. Not. Roy. Astron. Soc.,1974
4. The Primordial black hole mass spectrum;Carr;Astrophys. J.,1975
5. Observation of Gravitational Waves from a Binary Black Hole Merger;LIGO Scientific, Virgo Collaboration;Phys. Rev. Lett.,2016
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