Loss tolerance in one-way quantum computation via counterfactual error correction

Details Loss tolerance in one-way quantum computation via counterfactual error correction Loss tolerance in one-way quantum computation via counterfactual error correction

2005-07-04

arxiv.org/abs/quant-ph/0507036v3

Phys. Rev. Lett. 97, 120501 (2006)

Physics

Quantum Physics

Published version - much revised and with a new title. Here we now focus solely on the general aspects of the protocol - a muc

Scientific paper

10.1103/PhysRevLett.97.120501

We introduce a scheme for fault tolerantly dealing with losses (or other "leakage" errors) in cluster state computation that can tolerate up to 50% qubit loss. This is achieved passively using an adaptive strategy of measurement - no coherent measurements or coherent correction is required. Since the scheme relies on inferring information about what would have been the outcome of a measurement had one been able to carry it out, we call this "counterfactual" error correction.

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