LISA and Gamma-Ray Telescopes Probe Cosmological Phase Transitions

This research explores the potential of using LISA and gamma-ray telescopes as complementary probes of first-order cosmological phase transitions. The study highlights the connection between the generation of stochastic gravitational wave backgrounds (SGWB) and primordial magnetic fields during these transitions. The finding that even a small fraction of kinetic energy converted into MHD turbulence can lead to observable signals in both LISA and gamma-ray telescopes is particularly significant. This suggests that multi-messenger observations could provide a powerful tool for studying the properties of these phase transitions and the origin of cosmic magnetic fields. The study also explores the implications of these magnetic fields for baryon clumping and the Hubble tension, further highlighting the potential of this research to address fundamental questions in cosmology. Future work should focus on refining the theoretical models and developing more sophisticated data analysis techniques to extract the faint signals from these phase transitions. The combination of gravitational wave and electromagnetic observations promises to provide a more complete picture of the early universe and the processes that shaped its evolution.

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