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T: Fachverband Teilchenphysik

T 60: Gravitational Waves

T 60.2: Vortrag

Mittwoch, 2. April 2025, 16:30–16:45, VG 3.104

Seaching for high frequency gravitational waves using an external magnetic field — •Jasper Jödicke, Dieter Horns, and Marios Marouder — Institut für Experimentalphysik, Universität Hamburg

Gravitational waves interacting with external electric and magnetic fields can induce electromagnetic effects, such as displacement currents. A novel approach to detecting gravitational waves in the high-frequency regime benefits from existing axion haloscopes. In this talk the GravLC experiment is introduced, which leverages the 14 T solenoidal magnetic field of the WISPLC axion haloscope at DESY in Hamburg. By employing a suitably designed pickup loop, the experiment enables searches for transient and broadband signals, such as those expected from primordial black holes and the stochastic gravitational wave background, across the frequency range of 10 kHz - 10 MHz. This technique provides a complementary method to existing gravitational wave detection approaches.

Keywords: Gravitational waves; Axion haloscopes; High frequency; Primordial black holes; Magnetic fields