Construct · 1 fields · 1 citations

quantum Fisher information: a standalone construct

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Metrology

the maximal information about a parameter extractable from a quantum state, which sets the quantum Cramér-Rao bound on estimation precision.

In metrology, quantum Fisher information refers to the maximal information about a parameter extractable from a quantum state, which sets the quantum Cramér-Rao bound on estimation precision. This meaning comes from Braunstein (1994) in Physical Review Letters.[1]

Unit
Recovery means
Measured by

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Nearby constructs

estimation3 fields · 3 citationsjingle · one word, three constructs Fisher information3 fields · 3 citationsinvariant · one construct, three systems information4 fields · 5 citationsjingle · one word, four constructs

References

Braunstein, S. L., & Caves, C. M. (1994). Statistical distance and the geometry of quantum states. Physical Review Letters, 72(22), 3439-3443. https://doi.org/10.1103/physrevlett.72.3439

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