Differentially private quantum sensor network protocols are introduced that inject noise into the sensing Hamiltonian, achieving (O(1), δ)-differential privacy while retaining Heisenberg-limited MSE scaling under honest-fraction and common-source-of-randomness assumptions.
Guan, Optimal mechanisms for quantum local differ- ential privacy, arXiv:2407.13516 (2024)
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Differentially private quantum sensor networks
Differentially private quantum sensor network protocols are introduced that inject noise into the sensing Hamiltonian, achieving (O(1), δ)-differential privacy while retaining Heisenberg-limited MSE scaling under honest-fraction and common-source-of-randomness assumptions.