A protocol with two generalized measurements prepares versatile probe states from thermal qubits to enhance quantum Fisher information for decay rate and temperature estimation in amplitude damping channels, deriving an analytical link to thermodynamic susceptibilities and Hamiltonian variance valid
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Versatile probe state preparation via generalized measurements for quantum sensing and thermometry
A protocol with two generalized measurements prepares versatile probe states from thermal qubits to enhance quantum Fisher information for decay rate and temperature estimation in amplitude damping channels, deriving an analytical link to thermodynamic susceptibilities and Hamiltonian variance valid