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arxiv: quant-ph/0010081 · v1 · submitted 2000-10-23 · 🪐 quant-ph

Theory of the Quantum Speed Up

classification 🪐 quant-ph
keywords quantumcomputationirreversiblemeasurementaccomplishalgorithmsappearscannot
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Insofar as quantum computation is faster than classical, it appears to be irreversible. In all quantum algorithms found so far the speed-up depends on the extra-dynamical irreversible projection representing quantum measurement. Quantum measurement performs a computation that dynamical computation cannot accomplish as efficiently.

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