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High Energy Phenomenology, Experiment, and Cosmology Seminar Series artwork
April 19, 20234:00 pm – 5:00 pm (CDT)

Electromagnetic Signals of High-Frequency Gravitational Waves


Asher Berlin (Fermi National Accelerator Laboratory)


Doojin Kim



Mitchell Institute for Fundamental Physics & Astronomy

College Station, Texas 77843

Event Details

There is strong motivation to extend the observable frequency range of gravitational waves (GWs) beyond the Hz - kHz regime already probed by LIGO and Virgo. In particular, higher-frequency GWs can give rise to new classes of electromagnetic signals that can be searched for with small-scale detectors. A gauge-invariant description shows that existing experiments designed for the detection of axion dark matter only need to reanalyze existing data to search for such signals. I will also discuss how electromagnetic cavities can operate as exquisite mechanical to electromagnetic converters, enabling a broader search across orders of magnitude of unexplored parameter space.

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