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Dynamics of false vacuum bubbles with trapped particles

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arxiv 2305.07702 v1 pith:3EJE4MRT submitted 2023-05-12 hep-ph astro-ph.COgr-qc

Marek Lewicki , Kristjan Müürsepp , Joosep Pata , Martin Vasar , Ville Vaskonen , Hardi Veermäe This is my paper · ORCID
classification hep-phastro-ph.COgr-qc
keywords vacuumfalseparticlesbubblebubblescollapsedynamicsacross
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We study the impact of the ambient fluid on the evolution of collapsing false vacuum bubbles by simulating the dynamics of a coupled bubble-particle system. A significant increase in the mass of the particles across the bubble wall leads to a buildup of those particles inside the false vacuum bubble. We show that the backreaction of the particles on the bubble slows or even reverses the collapse. Consequently, if the particles in the true vacuum become heavier than in the false vacuum, the particle-wall interactions always decrease the compactness that the false vacuum bubbles can reach making their collapse to black holes less likely.

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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. 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_...

  2. The Irrelevance of Primordial Black Hole Clustering in the LVK mass range

    astro-ph.CO 2025-02 accept novelty 6.0 of 10

    Initial spatial clustering of primordial black holes is irrelevant for binary mergers in the LVK mass range because FIRAS spectral-distortion constraints limit the clustering scale to below the merger-relevant separat...

  3. Thermalization effects on the dynamics of growing vacuum bubbles

    hep-ph 2024-11 conditional novelty 6.0 of 10

    Bubble-wall terminal velocity depends on plasma thermalization; non-equilibrium and free-streaming regimes give slower or different walls, and stationary solutions can be bypassed by runaways.

  4. PBH formation and Gravitational Waves as Multi-messenger Signals of First-order Phase Transitions

    hep-ph 2026-07 conditional novelty 5.0 of 10

    False-vacuum collapse during first-order phase transitions can form PBHs and emit GWs across a broad parameter range, and MeV-scale classically conformal U(1)_{B-L} symmetry breaking has the largest region where both ...

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