Derives the ultimate quantum limit for estimating functions of multiple parameters in general Hamiltonians, showing it reduces to an optimized single-parameter quantum Cramér-Rao bound with an attaining protocol.
Helstrom, IEEE Transactions on Information Theory 14, 234 (1968)
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Establishes an ultimate tradeoff relation constraining quantum estimation precision limits in multiparameter linear measurements, rooted in the Heisenberg uncertainty principle, with a condition for saturation and phase-based weight allocation.
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Multiparameter function estimation for general Hamiltonians
Derives the ultimate quantum limit for estimating functions of multiple parameters in general Hamiltonians, showing it reduces to an optimized single-parameter quantum Cramér-Rao bound with an attaining protocol.
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Ultimate tradeoff relation of quantum precision limits in multiparameter linear measurement
Establishes an ultimate tradeoff relation constraining quantum estimation precision limits in multiparameter linear measurements, rooted in the Heisenberg uncertainty principle, with a condition for saturation and phase-based weight allocation.