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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quant-ph 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
Treating interrogation time as a nuisance parameter in quantum gravimetry retains an affine-over-Lorentzian fraction of the single-parameter gravity QFI, with explicit suppression conditions derived for Gaussian free-fall and Kasevich-Chu interferometer benchmarks.
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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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Quantum gravimetry with intrinsic quantum time uncertainty
Treating interrogation time as a nuisance parameter in quantum gravimetry retains an affine-over-Lorentzian fraction of the single-parameter gravity QFI, with explicit suppression conditions derived for Gaussian free-fall and Kasevich-Chu interferometer benchmarks.