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quant-ph2026
Probe Signatures of Quantum Chaos with Quantum Sensing
Isaías Vallejo-Fabila, Jing Yang
The spectral form factor (SFF), which is the Fourier transform of the two-point spectral correlation, is a fundamental diagnostics of quantum chaos. Nevertheless, its experimental…
quant-ph2026
Asymptotic Metrological Scaling and Concentration in Chaotic Floquet Dynamics
Astrid J. M. Bergman, Yunxiang Liao, Jing Yang
We study quantum sensing with Floquet chaotic dynamics generated by Haar random unitary gates. The metrological resources consist of three ingredients: A given initial state, a set…