Fault Tolerant Computation on Ensemble Quantum Computers

Authors:
P. Oscar Boykin;Vwani P. Roychowdhury;Tal Mor;Farrokh Vatan
Affiliations:
UCLA, Los Angeles, CA;UCLA, Los Angeles, CA;Technion, Israel;California Institute of Technology, Pasadena, CA
Venue:
DSN '04 Proceedings of the 2004 International Conference on Dependable Systems and Networks
Year:
2004

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Algorithms on ensemble quantum computers

Natural Computing: an international journal

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Abstract

In ensemble (or bulk) quantum computation, all computationsare performed on an ensemble of computersrather than on a single computer.Measurements of qubitsin an individual computer cannot be performed; instead,only expectation values (over the complete ensemble ofcomputers) can be measured.As a result of this limitationon the model of computation, many algorithms cannotbe processed directly on such computers, and mustbe modified.We provide modification of the fault tolerantquantum computation protocols to enable processingon ensemble quantum computers.