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Formation of MACHO-Primordial Black Holes in Inflationary Cosmology
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As a nonbaryonic explanation of massive compact halo objects, a phenomenological model is presented which predicts formation of primordial black holes at a desired mass scale. The required feature of initial density fluctuation is realized making use of the primordially isocurvature fluctuation generated in an inflationary universe model with multiple scalar fields.
Forward citations
Cited by 13 Pith papers
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Corrections to Hawking radiation from asteroid-mass primordial black holes: analytic and numerical evaluation of the stochastic charge effect
The stochastic charge correction to Hawking e± emission, previously derived semi-classically, is shown here to arise from QED, with a net correction below 2%.
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On Bimodality in the Eccentricity Distribution of Galactic Double Neutron Stars
A broken neutron-star remnant mass relation plus weak ultra-stripped supernova kicks can reproduce the apparent eccentricity gap in Galactic double neutron stars.
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Gravitational wave signatures of primordial black hole accretion during early matter domination
PBHs that form in a radiation era and accrete during an early matter era could produce a two-peak GW background detectable by LISA or BBO for asteroid-mass PBHs as all of dark matter.
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Inflationary background renormalization
In single-field inflation, imposing a zero one-point function for the curvature perturbation leaves a finite, scheme-dependent one-loop correction to the two-point function that background renormalization cannot absorb.
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Primordial Black Hole Formation via Inverted Bubble Collapse
Isolated bubbles from an incomplete phase transition, inverted into false-vacuum regions by a later bulk transition, collapse into nearly monochromatic primordial black holes up to about 10^-5 solar masses.
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Lattice study of primordial black hole formation in bumpy axion inflation
Lattice simulations of bumpy axion U(1) inflation in the strong backreaction regime generate curvature perturbations large enough for primordial black holes to comprise all dark matter.
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Cancellation of one-loop time dependence in superhorizon curvature perturbations from all scales
One-loop time dependence in superhorizon curvature perturbations cancels when all-scale contributions and boundary terms are included consistently via the δN formalism.
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Non-Standard Thermal History and Formation of Primordial Black Holes in Einstein-Gauss-Bonnet Gravity
A tuned Einstein-Gauss-Bonnet inflation model can create primordial black holes from asteroid-sized to tens of solar masses and secondary gravitational waves, with abundances that change dramatically in a stiff post-i...
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Primordial black holes from sound speed resonance in the inflaton-curvaton mixed scenario
Primordial black holes with a narrow mass spectrum can form from parametric resonance in the curvaton sector of an inflaton-curvaton model, possibly providing a dark matter candidate.
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Primordial Black Hole Triggered Type Ia Supernovae II: Comparison with Supernova Remnants and Galactic Chemical Evolution
PBH-triggered SN Ia models across metallicities match some observed light curves and remnants, constrain the explosion channel fraction via chemical evolution modeling, and indicate PBHs as a potentially major early-u...
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Conservation of superhorizon curvature perturbations at one loop: Backreaction in the in-in formalism and Renormalization
Superhorizon curvature perturbations remain conserved at one-loop order in single-field inflation with a transient non-slow-roll period when backreaction and renormalization are included.
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Constraints on Primordial Black Holes
Updated compilation shows PBHs are tightly constrained across 55 orders of magnitude in mass, ruling out dominant dark matter contributions except in narrow windows, with many limits carrying observational uncertainties.
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Stellar microlensing surveys as a probe of Primordial Black Holes: status and prospects
Stellar microlensing surveys exclude compact objects between 10^{-11} and 10^4 solar masses from making up all dark matter under standard assumptions.
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