3 papers
quant-ph2019
Quantum estimation through a bottleneck
Milajiguli Rexiti, Stefano Mancini
We study the estimation of a single parameter characterizing families of unitary transformations acting on two systems. We consider the situation with the presence of bottleneck, i…
quant-ph2018
Adversarial vs cooperative quantum estimation
Milajiguli Rexiti, Stefano Mancini
We address the estimation of a one-parameter family of isometries taking one input into two output systems. This primarily allows us to consider imperfect estimation by accessing o…
math-ph2018
The Volume of Two-Qubit States by Information Geometry
Milajiguli Rexiti, Domenico Felice, Stefano Mancini
Using the information geometry approach, we determine the volume of the set of two-qubit states with maximally disordered subsystems. Particular attention is devoted to the behavio…