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quant-ph2024★ 3 cited
Quantum Chaos, Randomness and Universal Scaling of Entanglement in Various Krylov Spaces
Hai-Long Shi, Augusto Smerzi, Luca Pezzè
Multipartite entanglement is a crucial resource for advancing quantum technologies, with considerable research efforts directed toward achieving its rapid and scalable generation.…
quant-ph2024
Distributed quantum multiparameter estimation with optimal local measurements
Luca Pezzè, Augusto Smerzi
We study the multiparameter sensitivity bounds of a sensor made by an array of spatially-distributed Mach-Zehnder interferometers (MZIs). A generic single non-classical state i…
quant-ph2024★ 6 cited
Metrological usefulness of entanglement and nonlinear Hamiltonians
Satoya Imai, Augusto Smerzi, Luca Pezzè
A central task in quantum metrology is to exploit quantum correlations to outperform classical sensitivity limits. Metrologically useful entanglement is identified when the quantum…