Single-shot comparison of random quantum channels and measurements

2025/01/28 by Markiewicz, Marcin, Pawela, Łukasz, Puchała, Zbigniew
#FOS: Physical sciences #Quantum Physics (quant-ph)

paper · doi:10.48550/arxiv.2501.17317

Abstract

In this work we provide an efficiency analysis of the problem of comparison of two randomly chosen quantum operations in the single-shot regime. We provide tight bounds for the success probability of such a protocol for arbitrary quantum channels and generalized measurements.

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