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quant-ph2020
On the quantumness of multiparameter estimation problems for qubit systems
Sholeh Razavian, Matteo G. A. Paris, Marco G. Genoni
The estimation of more than one parameter in quantum mechanics is a fundamental problem with relevant practical applications. In fact, the ultimate limits in the achievable estimat…
quant-ph2018
Quantum thermometry by single-qubit dephasing
Sholeh Razavian, Claudia Benedetti, Matteo Bina +2
We address the dephasing dynamics of a qubit as an effective process to estimate the temperature of its environment. Our scheme is inherently quantum, since it exploits the sensiti…