Regular Article - Theoretical Physics
Searching for wormholes with gravitational wave scattering
Institute of Frontier and Interdisciplinary Science, Key Laboratory of Particle Physics and Particle Irradiation (MOE), Shandong University, 266237, Qingdao, Shandong, China
2 School of Physics and Technology, Wuhan University, 430072, Wuhan, Hubei, China
Accepted: 30 January 2023
Published online: 8 February 2023
We propose using the gravitational wave scattering off spherical wormholes to search for their existence. We carefully calculate the reflected and transmitted waveforms with time-independent scattering theory. Our results quantitatively show the echo signatures in the two universes on both sides of the wormhole. In a certain wormhole mass range, the transmitted wave has a unique isolated chirp without an inspiral waveform, and the reflected wave has the anti-chirp behavior, i.e., the missing of the chirping signal. We also calculate the searching range of the current and projected gravitational wave telescopes. Our method can be adapted to efficiently calculate the templates to search for wormholes.
© The Author(s) 2023
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