2023/05/01 by Chu-Tian Gao, Gao, Chu-Tian, Yu Gao +5 · 2 citations
Physics and Astronomy · Engineering · #Pulsars and Gravitational Waves Research #Geophysics and Sensor Technology #Mechanical and Optical Resonators
paper · pdf · doi:10.48550/arxiv.2305.00877
Gravitational waves can generate electromagnetic effects inside a strong electric or magnetic field within the Standard Model and general relativity. Here we propose using a quarterly split cavity and LC(inductor and capacitor)-resonance circuit to detect a high-frequency gravitational wave from 0.1 MHz to GHz. We perform a full 3D simulation of the cavity's signal for sensitivity estimate. Our sensitivity depends on the coherence time scale of the high-frequency gravitational wave sources and the volume size of the split cavity. We discuss the resonant measurement schemes for narrow-band gravitational wave sources and also a non-resonance scheme for broadband signals. For a meter-sized split cavity under a 14 Tesla magnetic field, the LC resonance enhanced sensitivity to the gravitational wave strain is expected to reach h∼ 10-20 around 10 MHz.