Qulink Seminar on Fault-Tolerant Quantum Computation NII|QIS This week's Qulink seminar by Keisuke Fujii (Kyoto) outlines a novel entanglement purification protocol for fault-tolerant quantum computation in the presence of errors. " The protocol works with high noise thresholds for the communication channels and local operations, and achieves high fidelity of purified states. [...] We consider an interesting relationship between the entanglement purification and fault-tolerant computation, which provides a tight upper bound on the noise threshold for fault-tolerant computation. "

Everett @ 50 Oxford Videos, photos and weblog are now online from the Everett@50 conference held in Oxford, 19-21 July. " This year sees the 50th anniversary of the publication of Hugh Everett III’s seminal “Relative State Formulation of Quantum Mechanics.” This is an opportune moment for leading advocates and critics to come together and debate the Everett interpretation. Sponsored by FQXi and hosted in the Philosophy Faculty of Oxford University, forty of the world’s top academics will come together for three days on July 19th, 20th, and 21st to see if Everett’s explanation of quantum mechanics has at last come of age. "

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