Seminar
Title: Searching for high-frequency gravitational waves with microwave cavities
Speaker: Tom Krokotsch (University of Hamburg)
Host: Prof. Jing Ren (Institute of High Energy Physics, CAS)
Time: April 24, 2026 (Friday), 15:00pm Beijing Time
Location: Meeting Room 319, Library Building
Abstract:
The spectrum of gravitational waves emitted throughout the history of the universe is known to extend to frequencies much higher than current large-scale detectors are exploring. Therefore, several experimental efforts are now under way to survey high-frequency gravitational waves (HFGWs). First, I will give an overview on the physics potential of HFGW detection for BSM physics and cosmology. Then, I will motivate microwave cavities as novel tools for HFGW searches and introduce an ongoing DESY/Uni Hamburg/FNAL project to use the superconducting ‘MAGO’ cavity as such a detector. Last, I will discuss synergies with searches for axion-like dark matter to cover even higher frequency ranges.
About the speaker:
Bachelor (Physics) from University of Hamburg in 2022
Master (Applied Mathematics) from University of Cambridge in 2023
PhD (Theoretical Physics) at University of Hamburg since 2023
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