A Ramsey-type array of N unentangled qubits can detect wave-like dark matter with coupling sensitivity δα ∼ 1/(T√N), rivaling entangled-qubit schemes.
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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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Coherent collective response in many-qubit systems for dark matter detection
A Ramsey-type array of N unentangled qubits can detect wave-like dark matter with coupling sensitivity δα ∼ 1/(T√N), rivaling entangled-qubit schemes.
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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.