A quantum instrument is a quantum operation with both classical and quantum outputs. It combines the concepts of measurement and quantum operation.
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Famous quotes containing the words quantum and/or instrument:
“A personality is an indefinite quantum of traits which is subject to constant flux, change, and growth from the birth of the individual in the world to his death. A character, on the other hand, is a fixed and definite quantum of traits which, though it may be interpreted with slight differences from age to age and actor to actor, is nevertheless in its essentials forever fixed.”
—Hubert C. Heffner (1901–1985)
“Prayer is not an old woman’s idle amusement. Properly understood and applied, it is the most potent instrument of action.”
—Mohandas K. Gandhi (1869–1948)