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quant-ph2025★ 1 cited
On super additivity of Fisher information in fully Gaussian metrology
Javier Navarro, Simon Morelli, Mikel Sanz +1
Famously, the quantum Fisher information -- the maximum Fisher information over all physical measurements -- is additive for independent copies of a system and the optimal measurem…
quant-ph2025
A Quantum Mechanical Pendulum Clock
Matteo Brunelli, Mohammad Mehboudi, Nicolas Brunner +1
We investigate an optomechanical system as a model of an autonomous mechanical pendulum clock in the quantum regime, whose operation relies only on incoherent (thermal) resources.…