The energy budget of cosmological first-order phase transitions beyond the bag equation of state

@article{Wang2022TheEB,
  title={The energy budget of cosmological first-order phase transitions beyond the bag equation of state},
  author={Shao-Jiang Wang and Ziting Yuwen},
  journal={Journal of Cosmology and Astroparticle Physics},
  year={2022},
  volume={2022}
}
The stochastic gravitational-wave backgrounds (SGWBs) from the cosmological first-order phase transitions (FOPTs) serve as a promising probe for the new physics beyond the standard model of particle physics. When most of the bubble walls collide with each other long after they had reached the terminal wall velocity, the dominated contribution to the SGWBs comes from the sound waves characterized by the efficiency factor of inserting the released vacuum energy into the bulk fluid motions… 

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