Author

Boyu Yang

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Preprint Aug 2026

Quantum information loss

We introduce a measure of information loss for any quantum process that may be modeled by a prepare-evolve-measure scenario: Alice prepares an ensemble of states that gets sent via a quantum channel to Bob, who then measures the output. As a quantum channel models open system dynamics, our measure of information loss q...

James Fullwood, Wu-Zhong Guo, Bo-Yu Yang · 0 citations