Rydberg atom tweezer arrays can detect dark-photon dark matter with sensitivity to unexplored parameter space by scanning via Zeeman and diamagnetic shifts under external magnetic fields.
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Coherent enhancement in detectors is quantitatively constrained by single-mode entanglement entropy, with general bounds on scaling with system size that interpolate between incoherent and fully coherent regimes.
Ion crystals detect high-frequency gravitational waves via resonant drumhead mode excitation and spin entanglement for beyond-SQL readout, with sensitivity scaling with crystal size.
Proposes entangled vibrational qubits in linear Paul traps for detecting high-frequency gravitational waves via graviton-photon conversion or relative motion, with N-squared sensitivity enhancement.
A protocol using squeezed states in 2D ion crystals in a Penning trap achieves super-Heisenberg sensitivity for axion-like particles, dark photons, and high-frequency gravitational waves while accounting for decoherence.
citing papers explorer
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Detecting dark matter using optically trapped Rydberg atom tweezer arrays
Rydberg atom tweezer arrays can detect dark-photon dark matter with sensitivity to unexplored parameter space by scanning via Zeeman and diamagnetic shifts under external magnetic fields.
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Entanglement Requirements for Coherent Enhancement in Detectors
Coherent enhancement in detectors is quantitatively constrained by single-mode entanglement entropy, with general bounds on scaling with system size that interpolate between incoherent and fully coherent regimes.
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Quantum sensing of high-frequency gravitational waves with ion crystals
Ion crystals detect high-frequency gravitational waves via resonant drumhead mode excitation and spin entanglement for beyond-SQL readout, with sensitivity scaling with crystal size.
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Probing high-frequency gravitational waves with entangled vibrational qubits in linear Paul traps
Proposes entangled vibrational qubits in linear Paul traps for detecting high-frequency gravitational waves via graviton-photon conversion or relative motion, with N-squared sensitivity enhancement.
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Super-Heisenberg protocol for dark matter and high-frequency gravitational wave search
A protocol using squeezed states in 2D ion crystals in a Penning trap achieves super-Heisenberg sensitivity for axion-like particles, dark photons, and high-frequency gravitational waves while accounting for decoherence.