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Quantum thermodynamics of two bosonic systems
Chiara Macchiavello, Alberto Riccardi, Massimiliano F. Sacchi
We study the energy exchange between two bosonic systems that interact via bilinear transformations in the mode operators. The first mode is considered as the thermodynamic system,…
Optimal entanglement witnesses from limited local measurements
Alberto Riccardi, Dariusz Chruściński, Chiara Macchiavello
We address the problem of optimising entanglement witnesses when a limited fixed set of local measurements can be performed on a bipartite system, thus providing a procedure, feasi…
Squeezing metrology: a unified framework
Lorenzo Maccone, Alberto Riccardi
Quantum metrology theory has up to now focused on the resolution gains obtainable thanks to the entanglement among N probes. Typically, a quadratic gain in resolution is achievable…
State independent uncertainty relations from eigenvalue minimization
Paolo Giorda, Lorenzo Maccone, Alberto Riccardi
We consider uncertainty relations that give lower bounds to the sum of variances. Finding such lower bounds is typically complicated, and efficient procedures are known only for a…