Breakthrough in Gravitational Wave Research: Precise Calculation of Waves from Cosmological Phase Transitions

Strategic Insights -

Scientists at Anhui University have made a significant advancement in gravitational wave research, developing a precise method to calculate waves generated by sound waves during cosmological phase transitions. The research, which was financially supported by the National Natural Science Foundation of China, the Australian Research Council, and the Natural Science Foundation of Anhui Province, offers a self-consistent numerical calculation of gravitational waves. According to the study, the new approach provides a robust foundation for precise gravitational wave calculations and allows for the exploration of model-independent features of gravitational waves from phase transitions.

Key Takeaways:

  • The research at Anhui University has made significant progress in calculating gravitational waves generated by sound waves during cosmological phase transitions using a self-consistent numerical method.
  • The approach, which derives the equation of state directly from the effective potential, enables accurate determination of hydrodynamic quantities and provides a fast and reliable way to calculate gravitational waves.
  • The study has been published in the European Physical Journal C: Particles and Fields, volume 85, issue 10, and is available online.
  • The research has potential applications in particle physics, including the calculation of gravitational waves from phase transitions in the real singlet extension of the standard model.
  • The team, led by Chi Tian, consists of researchers from Anhui University and includes Xiao Wang and Csaba Balazs as co-authors.
  • The National Natural Science Foundation of China, the Australian Research Council, and the Natural Science Foundation of Anhui Province have supported the research financially.

Statistics:

  • The research has been published in the European Physical Journal C: Particles and Fields, volume 85, issue 10.
  • The study provides a self-consistent numerical calculation of gravitational waves for the real singlet extension of the standard model.
  • The computational method developed by the team is adaptable to any particle physics model, offering a fast and reliable way to calculate gravitational waves.
  • The research has been financially supported by the National Natural Science Foundation of China, the Australian Research Council, and the Natural Science Foundation of Anhui Province.

Sources:

  • "Gravitational waves from cosmological first-order phase transitions with precise hydrodynamics." European Physical Journal C: Particles and Fields, 2025,85(10):1-23.
  • NewsRx. Reports from Anhui University Advance Knowledge in Physics (Gravitational waves from cosmological first-order phase transitions with precise hydrodynamics). Physics Week. October 21, 2025; p 492.
  • https://doi-org.sdpl.idm.oclc.org/10.1140/epjc/s10052-025-14826-2 (free version of the journal article)