COSMOS is a specialized open numerical relativity solver for PBH formation using scale-up coordinates and fixed mesh refinement on scalar and fluid matter.
Gravitational Collapse of a Massless Scalar Field in a Periodic Box.Class
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3+1 BSSN simulations find the critical overdensity threshold for PBH collapse in radiation era lies between 0.77 and 0.83.
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COSMOS: A numerical relativity code specialized for PBH formation
COSMOS is a specialized open numerical relativity solver for PBH formation using scale-up coordinates and fixed mesh refinement on scalar and fluid matter.
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Primordial Black Holes in a Radiation-Dominated Universe
3+1 BSSN simulations find the critical overdensity threshold for PBH collapse in radiation era lies between 0.77 and 0.83.