On Ellipsoidal Collapse and Primordial Black-Hole Formation
classification
🌌 astro-ph.CO
gr-qc
keywords
primordialblack-holecollapseellipsoidalformationabundanceaccountblack
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We reinvestigate gravitational ellipsoidal collapse with special focus on its impact on primordial black-hole formation. For a generic model we demonstrate that the abundance and energy density of the produced primordial black holes will be significantly decreased when the non-sphericity of the overdensities is taken into account.
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Forward citations
Cited by 2 Pith papers
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Gravitational Waves from Primordial Black Holes: Connecting Low-Frequency Scalar-Induced Signatures to High-Frequency Binary Mergers
Establishes a model-independent link between scalar-induced GW backgrounds and PBH binary merger signals, including the mass-independent relation f_peak = 1.79 f_ISCO.
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Primordial Black Holes as Dark Matter: Recent Developments
Primordial black holes in specific mass ranges could account for some or all dark matter while resolving structure-formation and seed problems in standard cosmology.
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