Dr Francesco Muia | Unlocking the Universe’s Secrets with Ultra-high-frequency Gravitational Waves

Sep 21, 2023 | physical sciences

About this episode

In the early 1900s, Einstein revolutionized our understanding of space and time, revealing them as interconnected aspects of the universe’s fabric – known as ‘spacetime’. Spacetime isn’t a rigid background. Like a ball on a trampoline, heavy objects like the Sun warp spacetime around them, drawing the planets into orbits. When heavy objects move extremely fast – such as when two black holes orbit each other and merge or in highly energetic events like those occurring in the early universe – the warping becomes extreme, generating waves that spread through spacetime. These ‘gravitational waves’, first discovered in 2015, offer scientists new tools to explore the universe. Read More

Original Article Reference

Summary of the papers: ‘Challenges and opportunities of gravitational-wave searches at MHz to GHz frequencies’, doi.org/10.48550/arXiv.2011.12414; ‘Hunt for light primordial black hole dark matter with ultrahigh-frequency gravitational waves’, doi.org/10.48550/arXiv.2205.02153 and ‘Oscillon formation during inflationary preheating with general relativity’, doi.org/10.48550/arXiv.2304.01673


For further information, you can connect with Dr Francesco Muia at fm538@damtp.cam.ac.uk

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