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Measurement-Only Topological Quantum Computation via Anyonic Interferometry

By Parsa Bonderson, Michael Freedman and Chetan Nayak


We describe measurement-only topological quantum computation using both projective and interferometrical measurement of topological charge. We demonstrate how anyonic teleportation can be achieved using “forced measurement” protocols for both types of measurement. Using this, it is shown how topological charge measurements can be used to generate the braiding transformations used in topological quantum computation, and hence that the physical transportation of computational anyons is unnecessary. We give a detailed discussion of the anyonics for implementation of topological quantum computation (particularly, using the measurement-only approach) in fractional quantum Hall systems

Topics: Key words, Topological quantum computation, Interferometry, Anyonic charge
Year: 2008
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