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Universality and Optimality of Programmable Quantum Processors
2006
Acta Physica Hungarica A: Heavy Ion Physics
We analyze and compare the optimality of approximate and probabilistic universal programmable quantum processors. We define several characteristics how to quantify the optimality and we study in detail performance of three types of programmable quantum processors based on (1) the C-NOT gate, (2) the SWAP operation, and (3) the model of the quantum information distributor - the QID processor. We show under which conditions the measurement assisted QID processor is optimal. We also investigate
doi:10.1556/aph.26.2006.3-4.8
fatcat:ntnf4erezndt3elhba23r4kwem