Superconducting Levitated Detector of Gravitational Waves
High Energy Physics - Phenomenology2025-06-10v2High Energy Astrophysical PhenomenaGeneral Relativity and Quantum CosmologyHigh Energy Physics - Experiment
A magnetically levitated mass couples to gravity and can act as an effective gravitational wave detector. We show that a superconducting sphere levitated in a quadrupolar magnetic field, when excited by a gravitational wave, will produce magnetic field fluctuations that can be read out using a flux tunable microwave resonator. With a readout operating at the standard quantum limit, such a system could achieve broadband strain noise sensitivity of h≲10−20/Hz for frequencies of 1kHz−1MHz, opening new corridors for astrophysical probes of new physics.
@article{arxiv.2408.01583,
title = {Superconducting Levitated Detector of Gravitational Waves},
author = {Daniel Carney and Gerard Higgins and Giacomo Marocco and Michael Wentzel},
journal= {arXiv preprint arXiv:2408.01583},
year = {2025}
}
Comments
5 pages, 2 pages of end matter, 10 pages of supplemental material