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quant-ph2025
Product-State Manifolds for M Quantum Systems with N Levels using the Fano form and the Induced Euclidean Metric
Fotios D. Oikonomou
In quantum mechanics separable states can be characterized as convex combinations of product states whereas non-separable states exhibit entanglement. Quantum entanglement has play…
quant-ph2012
A new information metric and a possible higher bound for a class of measurements in the Quantum Estimation Problem
Demetris P. K. Ghikas, Fotios Oikonomou
Information metrics give lower bounds for the estimation of parameters. The Cencov-Morozova-Petz Theorem classifies the monotone quantum Fisher metrics. The optimum bound for the q…