A linear-system construction for the symmetric logarithmic derivative is derived from the master equation and applied to temperature and relaxation-rate metrology in a squeezed Gaussian state.
Quantum detection and estimation theory
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Optimal observables for (non-)equilibrium quantum metrology from the master equation
A linear-system construction for the symmetric logarithmic derivative is derived from the master equation and applied to temperature and relaxation-rate metrology in a squeezed Gaussian state.