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Large fluctuations and primordial black holes
S Choudhury, M Sami - Physics Reports, 2025 - Elsevier
In this paper, we review in detail different mechanisms of generation of large primordial
fluctuations and their implications for the production of primordial black holes (PBHs) and …
fluctuations and their implications for the production of primordial black holes (PBHs) and …
[HTML][HTML] Primordial black holes as a dark matter candidate-a brief overview
AM Green - Nuclear Physics B, 2024 - Elsevier
Historically the most popular dark matter candidates have been new elementary particles,
such as Weakly Interacting Massive Particles and axions. However Primordial Black Holes …
such as Weakly Interacting Massive Particles and axions. However Primordial Black Holes …
Primordial black holes
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Journals & Books Search RegisterSign in View PDF Download full book Search ScienceDirect …
Journals & Books Search RegisterSign in View PDF Download full book Search ScienceDirect …
Cancellation of quantum corrections on the soft curvature perturbations
Y Tada, T Terada, J Tokuda - Journal of High Energy Physics, 2024 - Springer
A bstract We study the cancellation of quantum corrections on the superhorizon curvature
perturbations from subhorizon physics beyond the single-clock inflation from the viewpoint of …
perturbations from subhorizon physics beyond the single-clock inflation from the viewpoint of …
Primordial black holes from single-field inflation: a fine-tuning audit
PS Cole, AD Gow, CT Byrnes… - Journal of Cosmology and …, 2023 - iopscience.iop.org
All single-field inflationary models invoke varying degrees of tuning in order to account for
cosmological observations. Mechanisms that generate primordial black holes (PBHs) from …
cosmological observations. Mechanisms that generate primordial black holes (PBHs) from …
Loop corrections in the separate universe picture
In inflationary models that produce a spike of power on short scales, back-reaction of small-
scale substructure onto large-scale modes is enhanced. Loop corrections that quantify this …
scale substructure onto large-scale modes is enhanced. Loop corrections that quantify this …
Non-perturbative non-Gaussianity and primordial black holes
AD Gow, H Assadullahi, JHP Jackson… - arxiv preprint arxiv …, 2022 - arxiv.org
We present a non-perturbative method for calculating the abundance of primordial black
holes given an arbitrary one-point probability distribution function for the primordial …
holes given an arbitrary one-point probability distribution function for the primordial …
Highly non-Gaussian tails and primordial black holes from single-field inflation
For primordial perturbations, deviations from Gaussian statistics on the tail of the probability
distribution can be associated with non-perturbative effects of inflation. In this paper, we …
distribution can be associated with non-perturbative effects of inflation. In this paper, we …
Planck constraints and gravitational wave forecasts for primordial black hole dark matter seeded by multifield inflation
W Qin, SR Geller, S Balaji, E McDonough, DI Kaiser - Physical Review D, 2023 - APS
We perform a Markov Chain Monte Carlo analysis of a simple yet generic multifield inflation
model characterized by two scalar fields coupled to each other and nonminimally coupled to …
model characterized by two scalar fields coupled to each other and nonminimally coupled to …
Stochastic constant-roll inflation and primordial black holes
E Tomberg - Physical Review D, 2023 - APS
Stochastic inflation resolves primordial perturbations nonlinearly, probing their probability
distribution deep into its non-Gaussian tail. The strongest perturbations collapse into …
distribution deep into its non-Gaussian tail. The strongest perturbations collapse into …