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Fault-tolerant quantum computation by anyons. (English) Zbl 1012.81006
Summary: A two-dimensional quantum system with anyonic excitations can be considered as a quantum computer. Unitary transformations can be performed by moving the excitations around each other. Measurements can be performed by joining excitations in pairs and observing the result of fusion. Such computation is fault-tolerant by its physical nature.

MSC:
81P68Quantum computation
81R10Infinite-dimensional groups and algebras motivated by physics