Linear dependence among the diagonal components of Hamiltonian derivatives creates a slow parameter direction with O(t^0) scaling, obstructing simultaneous t^{-2} multiparameter quantum estimation.
Weight-dependent and weight-independent measures of quantum incompatibility in multiparameter estimation.arXiv preprint arXiv:2510.18864, 2025
3 Pith papers cite this work. Polarity classification is still indexing.
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A new alignment factor G_n^(F) shows that the distribution of incompatibility relative to the QFIM eigenbasis, not just its total strength, determines the optimized trade-off cost in multiparameter quantum estimation.
OH molecule proposed as quantum probe for joint electric and magnetic field estimation, with optimized stationary and dynamical protocols that address incompatibility and show temperature effects on error.
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Geometric obstructions to quadratic time scaling in multiparameter quantum estimation
Linear dependence among the diagonal components of Hamiltonian derivatives creates a slow parameter direction with O(t^0) scaling, obstructing simultaneous t^{-2} multiparameter quantum estimation.
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Fisher geometry reshapes the effect of incompatibility in multiparameter quantum estimation
A new alignment factor G_n^(F) shows that the distribution of incompatibility relative to the QFIM eigenbasis, not just its total strength, determines the optimized trade-off cost in multiparameter quantum estimation.
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OH molecule as a quantum probe to jointly estimate electric and magnetic fields
OH molecule proposed as quantum probe for joint electric and magnetic field estimation, with optimized stationary and dynamical protocols that address incompatibility and show temperature effects on error.