Taming singularities of the quantum Fisher information

DOI10.1142/S0219749921400049zbMath1486.81052arXiv2108.05976MaRDI QIDQ5037888

Aaron Z. Goldberg, José Luis Romero, Luis L. Sánchez-Soto, Ángel S. Sanz

Publication date: 4 March 2022

Published in: International Journal of Quantum Information (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2108.05976

zbMATH Keywords

Fisher informationquantum metrologyquantum estimation theory

Mathematics Subject Classification ID

Density estimation (62G07) Point estimation (62F10) Sensitivity, stability, well-posedness (49K40) Quantum stochastic calculus (81S25) Sequential estimation (62L12) Quantum state spaces, operational and probabilistic concepts (81P16) Quantum state estimation, approximate cloning (81P50)

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