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Fault tolerant resource estimation of quantum random-access memories
[article]
2019
arXiv
pre-print
Quantum random-access look-up of a string of classical bits is a necessary ingredient in several important quantum algorithms. In some cases, the cost of such quantum random-access memory (qRAM) is the limiting factor in the implementation of the algorithm. In this paper we study the cost of fault-tolerantly implementing a qRAM. We construct generic families of circuits which function as a qRAM, and analyze their resource costs when embedded in a surface code.
arXiv:1902.01329v1
fatcat:66nw4nsu5nh5ngh5k6oqgh2rly