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hep-ph2026
Nonlinear growth and amplification of phase-transition gravitational waves induced by cosmic expansion
Xiao Wang, Chi Tian, Csaba Balázs
We perform the first three-dimensional hydrodynamical simulations of cosmological first-order phase transitions in an expanding background. These simulations consistently incorpora…
hep-ph2026★ 2 cited
How large are curvature perturbations from slow first-order phase transitions? A gauge-invariant analysis
Xiao Wang, Csaba Balázs, Ran Ding +1
When strongly supercooled cosmological first-order phase transitions (FOPTs) are sufficiently slow, super-horizon inhomogeneities can be generated. We compute these super-horizon c…