Holonomic quantum computation in decoherence-free subspaces

Physics – Quantum Physics

Scientific paper

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4 pages, no figures. v2: minor changes. To appear in PRL

Scientific paper

10.1103/PhysRevLett.95.130501

We show how to realize, by means of non-abelian quantum holonomies, a set of universal quantum gates acting on decoherence-free subspaces and subsystems. In this manner we bring together the quantum coherence stabilization virtues of decoherence-free subspaces and the fault-tolerance of all-geometric holonomic control. We discuss the implementation of this scheme in the context of quantum information processing using trapped ions and quantum dots.

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