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Super-slow phase transition catalyzed by BHs and the birth of baby BHs

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arxiv 2310.06901 v2 pith:ZPP5KUQP submitted 2023-10-10 hep-ph astro-ph.COgr-qc

Ryusuke Jinno , Jun'ya Kume , Masaki Yamada This is my paper · ORCID
classification hep-phastro-ph.COgr-qc
keywords bubblecatalyzedbabybirthhubblenucleationphasesuper-slow
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We discuss the unique phenomenology of first-order phase transitions catalyzed by primordial black holes (BHs). If the number of BHs within one Hubble volume is smaller than unity at the time of bubble nucleation, each bubble catalyzed around them can expand to the Hubble size, and the universe is eventually filled with true vacuum much after nucleation. This super-slow transition predicts enhanced gravitational wave signals from bubble collisions and can be tested in future observations. Moreover, the remaining rare false vacuum patches give birth to baby BHs, which can account for the abundance of dark matter in our universe.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Can the universe be matter-dominated after a supercooled first-order phase transition?

    hep-ph 2026-07 conditional novelty 7.0 of 10

    After a supercooled first-order phase transition, the scalar field's equation of state is set by the bubble-wall Lorentz factor γ*, and matter domination is delayed until a/a* ≃ γ* in the free-streaming limit.

  2. Vacuum bubbles from cosmic ripples

    hep-ph 2026-04 conditional novelty 6.0 of 10

    Over-densities in the early universe reduce the Euclidean action for vacuum decay, making false-vacuum bubbles nucleate earlier; under-densities do the opposite.

  3. Numerical simulations of primordial black hole formation via delayed first-order phase transitions

    gr-qc 2026-01 conditional novelty 6.0 of 10

    Spherically symmetric numerical relativity shows false-vacuum domains from delayed first-order phase transitions form type B (baby-universe) or type A (direct-collapse) primordial black holes, separated by a robust t_...

  4. What happens when supercooling is terminated by curvature flipping of the effective potential?

    hep-ph 2024-12 conditional novelty 6.0 of 10

    Supercooling terminated by curvature flipping still proceeds by bubble nucleation and expansion, not by smooth phase mixing, according to 3D lattice simulations.

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