Simple proof of fault tolerance in the graph-state model

Details Simple proof of fault tolerance in the graph-state model Simple proof of fault tolerance in the graph-state model

2005-03-15

arxiv.org/abs/quant-ph/0503130v4

Phys. Rev. A 73, 032308 (2006)

Physics

Quantum Physics

6 pages, 2 figures, REVTeX4. (v4): Minor revisions and new title; published version

Scientific paper

10.1103/PhysRevA.73.032308

We consider the problem of fault tolerance in the graph-state model of quantum computation. Using the notion of composable simulations, we provide a simple proof for the existence of an accuracy threshold for graph-state computation by invoking the threshold theorem derived for quantum circuit computation. Lower bounds for the threshold in the graph-state model are then obtained from known bounds in the circuit model under the same noise process.

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