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Accueil du site > Séminaires > Séminaires 2011 > Randomization and Efficient Partial Tomography for Quantum Information Systems

mardi 26 avril — 14:00, Attention : salle du conseil de l’UFR PCA

Randomization and Efficient Partial Tomography for Quantum Information Systems

Joseph Emerson (University of Waterloo)

par Pierre Pujol - 26 avril 2011

I will first describe a hierarchy of randomness for unitary transformations based on unitary t-designs and their construction using random circuits and Clifford operations. I will then discuss the use of these constructions for randomized sampling and efficient estimation of quantum processes, in particular benchmarking average error-rates and characterizing decoherence in quantum information systems.