SMuK 2023 – scientific programme

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GR: Fachverband Gravitation und Relativitätstheorie

GR 7: Gravitational Waves I

GR 7.2: Talk

Wednesday, March 22, 2023, 14:20–14:40, ZEU/0260

Potential of Gravitational Waves Detection with SCRF Cavities — Gudrid Moortgat-Pick¹, •Robin Löwenberg¹, Daniel Klein¹, Krisztian Peters², and Marc Wenskat² — ¹II. Inst. for Theoretical Physics, University of Hamburg, Luruper Chaussee 149, 22761 Bahrenfeld — ²DESY, Notkestrasse 85, 22603 Hamburg

We study the physics potential of detecting gravitational waves via superconducting high-frequency cavities. The direct coupling of gravitational waves to electromagnetic fields is widely known as the (inverse) Gertsenshtein effect. We have described gravitational waves in the framework of linearized theory in general relativity. In this regard it is substantial to define the proper detector frame. We use a heterodyne cavity setup, extend the theoretical approach to calculate different scenarios in an unified and accurate way, including cavity perturbation theory and the effects of wall deformation.