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arxiv: 0811.3453 · v4 · submitted 2008-11-21 · 🪐 quant-ph

Super fidelity and related metric

classification 🪐 quant-ph
keywords metricfidelitybuildconnectiondeepentanglementfindimportant
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We report a new metric of quantum states. This metric is build up from super-fidelity, which has deep connection with the Uhlmann-Jozsa fidelity and plays an important role in quantifying entanglement. We find that the new metric possess some interesting properties.

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