A fidelity measure for quantum channels
classification
🪐 quant-ph
keywords
fidelitymeasurequantumchannelsanalogyapplicationscorrespondingdescribe
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We propose a fidelity measure for quantum channels in a straightforward analogy to the corresponding mixed-state fidelity of Jozsa. We describe properties of this fidelity measure and discuss some applications of it to quantum information science.
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Cited by 1 Pith paper
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Quantum Advantage in Storage and Retrieval of Isometry Channels
Quantum strategy stores isometry channels with n = Θ(1/√ε) queries for error ε, quadratic improvement over classical n = Θ(ε^{-1}).
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