Bayesian and Markovian classical feedforward for discriminating amplitude damping channels

2025/06/02 by Rexiti, Milajiguli, Mancini, Stefano
#FOS: Physical sciences #Quantum Physics (quant-ph)

paper · doi:10.48550/arxiv.2506.01851

Abstract

We address the issue of multishot discrimination between two qubit-amplitude damping channels by invoking a simple adaptive protocol that employs Helstrom measurement at each step and classical information feedforward. We contrast the performance of Bayesian and Markovian strategies. We show that the former is only slightly advantageous for a limited parameters' region.

Citations

• Minimum-consumption discrimination of quantum states via globally optimal adaptive measurements

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