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.
Title resolution pending
2 Pith papers cite this work. Polarity classification is still indexing.
2
Pith papers citing it
years
2026 2representative citing papers
Monitoring quanta exchanged with a finite phonon reservoir via a quantum dot achieves optimal temperature-sensing precision through Fisher information in the long-time limit.
citing papers explorer
-
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.
-
Optimal current-based sensing of phonon temperature using a finite reservoir
Monitoring quanta exchanged with a finite phonon reservoir via a quantum dot achieves optimal temperature-sensing precision through Fisher information in the long-time limit.