collaborators

7 papers

quant-ph2025

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.…

gr-qc2025

Time dilation of quantum clocks in a relativistic gravitational potential

Tommaso Favalli, Augusto Smerzi

We study the dynamical evolution of two quantum clocks interacting with a relativistic gravitational potential. We find a time dilation effect for the clocks in agreement with the…

quant-ph2025

Joint estimation of phase and uncorrelated dephasing in a differential quantum interferometer

Luca Pezzè, Andrea Santoni, Chiara Mazzinghi +2

Precise measurements in optical and atomic systems often rely on differential interferometry. This method allows to handle large and correlated phase noise contributions -- such as…

quant-ph2025

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…

quant-ph2025

Advances in multiparameter quantum sensing and metrology

Luca Pezzè, Augusto Smerzi

Recent years have witnessed a growing interest in understating the limitations imposed by quantum noise in precision measurements and devising techniques to reduce it. The attentio…

quant-ph2025

Squeezing-enhanced accurate differential sensing under large phase noise

Robin Corgier, Marco Malitesta, Leonid A. Sidorenkov +6

Atom interferometers are reaching sensitivities fundamentally constrained by quantum fluctuations. A main challenge is to integrate entanglement into quantum sensing protocols to e…