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Superconducting Qubits
Quantum-Enhanced Picostrain Sensing with Superconducting Qubits
arXiv
Authors: Necati Çelik
Year
2025
Paper ID
16559
Status
Preprint
Abstract Read
~2 min
Abstract Words
86
Citations
N/A
Abstract
We propose a quantum-enhanced picostrain sensor that achieves Heisenberg-limited strain sensing using superconducting qubits. A strain-sensitive qubit s Hamiltonian is coupled to the momentum quadrature of a microwave resonator, transducing mechanical strain ε into amplified spatial displacements of the resonator s phase space. Using homodyne detection of the resonator field and multipartite entanglement of N qubits, the protocol achieves a strain sensitivity Δεsim pε (picostrain), two orders of magnitude better than classical sensors. The scheme integrates natively with superconducting processors, enabling in-situ diagnostic and nanoscale material characterization.
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- This paper contributes to the Superconducting Qubits research area in the Quantum Articles archive.
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- We propose a quantum-enhanced picostrain sensor that achieves Heisenberg-limited strain sensing using superconducting qubits.
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