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- W2895860665 endingPage "076001" @default.
- W2895860665 startingPage "076001" @default.
- W2895860665 abstract "Applications of quantum technology often require fidelities to quantify performance. These provide a fundamental yardstick for the comparison of two quantum states. While this is straightforward in the case of pure states, it is much more subtle for the more general case of mixed quantum states often found in practice. A large number of different proposals exist. In this review, we summarize the required properties of a quantum fidelity measure, and compare them, to determine which properties each of the different measures has. We show that there are large classes of measures that satisfy all the required properties of a fidelity measure, just as there are many norms of Hilbert space operators, and many measures of entropy. We compare these fidelities, with detailed proofs of their properties. We also summarize briefly the applications of these measures in teleportation, quantum memories, quantum computers, quantum communications, and quantum phase-space simulations." @default.
- W2895860665 created "2018-10-26" @default.
- W2895860665 creator A5046920582 @default.
- W2895860665 creator A5048769462 @default.
- W2895860665 creator A5067448264 @default.
- W2895860665 creator A5067582262 @default.
- W2895860665 creator A5084067420 @default.
- W2895860665 creator A5089779363 @default.
- W2895860665 date "2019-06-24" @default.
- W2895860665 modified "2023-10-16" @default.
- W2895860665 title "Quantum fidelity measures for mixed states" @default.
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