Magnetic field generation from bubble collisions during first-order phase transition

Abstract

We study the magnetic fields generation from the cosmological first-order electroweak phase transition. We calculate the magnetic field induced by the variation of the Higgs phase for two bubbles and three bubbles collisions. Our study shows that electromagnetic currents in the collision direction produce the ring-like magnetic field in the intersect regions of colliding bubbles, which may seed the primordial magnetic field that are constrained by intergalatic field observations.

24 pages, 10 figures, comments welcome!

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• Cosmology with the Laser Interferometer Space Antenna
• Constraining first-order phase transitions with curvature perturbations
• Hydrodynamic sound shell model
• Self Consistent Thermal Resummation: A Case Study of the Phase Transition in 2HDM
• Spinning Primordial Black Holes from First Order Phase Transition
• Imprints of primordial magnetic fields on intrinsic alignments of galaxies
• Matter power spectrum induced by primordial magnetic fields: from the linear to the non-linear regime
• Fate of the first-order chiral phase transition in QCD: Implications for dark QCD studied via a Nambu-Jona-Lasinio model
• Axial inverse magnetic catalysis
• Magnetogenesis from Sawtooth Coupling: Gravitational Wave Probe of Reheating
• Can WIMPs Survive the Legacy of a Magnetised Early Universe?
• Bubbles kick off primordial black holes to form more binaries
• First-order CP phase transition in two-flavor QCD at $\theta =\pi$ under electromagnetic scale anomaly via a Nambu-Jona-Lasinio description