Symmetries of Quantum Fisher Information as Parameter Estimator for Pauli Channels under Indefinite Causal Order
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DOI: 10.3390/sym14091813
Abstract: Quantum Fisher Information is considered in Quantum Information literature as the main resource to determine a bound in the parametric characterization problem of a quantum channel by means of probe states. The parameters characterizing a… read more here.
Keywords: information; quantum; pauli channels; quantum fisher ... See more keywords
Parametric Symmetries in Architectures Involving Indefinite Causal Order and Path Superposition for Quantum Parameter Estimation of Pauli Channels
Sign Up to like & getrecommendations! Published in 2023 at "Symmetry"
DOI: 10.3390/sym15051097
Abstract: Parameter estimation for devices containing or supporting quantum systems is a field of quantum metrology using quantum probe states to reach their characterization. Pauli channels are ideal structures where qubits are transmitted or contained, commonly… read more here.
Keywords: path superposition; quantum; pauli channels; parameter estimation ... See more keywords