Particle production from bubble collisions

arXiv:2607.15279 · hep-ph, astro-ph.CO, hep-th · Submitted 2026-07-16 · Read on arXiv

Anish Ghoshal, Pratyay Pal, Alessandro Strumia

hep-ph, astro-ph.CO, hep-th

Submitted: 2026-07-16

Comments: 31 pages, 9 figures. Webinar presentation: https://youtu.be/jmshs9YXn9g

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Abundance — 25× in this paper · explained in 1 episode
• Reheating — 14× in this paper · explained in 2 episodes
• Symmetry Breaking — 13× in this paper · explained in 3 episodes
• Phase Transitions — 9× in this paper · explained in 2 episodes
• Gauge Dependence — 4× in this paper · explained in 2 episodes
• Decoupling — 1× in this paper · explained in 2 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Metastability — 1× in this paper · explained in 3 episodes

Sources

• Natural Cold Baryogenesis from Strongly Interacting Electroweak Symmetry Breaking
• Non-thermal Dark Matter Production from the Electroweak Phase Transition: Multi-TeV WIMPs and "Baby-Zillas"
• Baryogenesis and Gravitational Waves from Runaway Bubble Collisions
• On Particle Production from Phase Transition Bubbles
• Aspects of Particle Production from Bubble Dynamics at a First Order Phase Transition
• Nonthermal Heavy Dark Matter from a First-Order Phase Transition
• Leptogenesis via Bubble Collisions
• CP-violation in production of heavy neutrinos from bubble collisions
• Gravitational Waves from Particles Produced from Bubble Collisions in First-Order Phase Transitions
• A Cosmic Higgs Collider
• Cosmic Collider Gravitational Waves sourced by Right-handed Neutrino production from Bubbles: Testing Seesaw, Leptogenesis and Dark Matter
• Dark Matter Production from Bubble Collisions during a First-Order Phase Transition at the End of Inflation
• How to Run Through Walls: Dynamics of Bubble and Soliton Collisions
• Relativistic bubble collisions -- a closer look
• Displacement Operator Formalism for Renormalization and Gauge Dependence to All Orders
• On Amplitudes and Field Redefinitions
• Infra-red enhanced loops in quadratic gravity
• Particle production from inhomogeneities: general metric perturbations
• On the metastability of the Standard Model vacuum
• Gravitational waves from bubble dynamics: Beyond the Envelope

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