Superconducting Levitated Detector of Gravitational Waves
arXiv:2408.01583 · doi:10.1103/PhysRevLett.134.181402
Abstract
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 for frequencies of , opening new corridors for astrophysical probes of new physics.
5 pages, 2 pages of end matter, 10 pages of supplemental material
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