An idealized model shows that Dicke-entangled transmon qubits at the TE212 cavity mode could reach a strain sensitivity of about 5.6e-26 at 5 GHz, scaling as n_q^{-3/4}.
The two GW polarizations generate distinct transverse current patterns in the cavity cross section, which in turn lead to different projections onto the TE212 cavity mode
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High-Frequency Gravitational Wave Detection with Superconducting Qubits
An idealized model shows that Dicke-entangled transmon qubits at the TE212 cavity mode could reach a strain sensitivity of about 5.6e-26 at 5 GHz, scaling as n_q^{-3/4}.