Long-distance entanglement and quantum teleportation in coupled cavity arrays

Details Long-distance entanglement and quantum teleportation in coupled cavity arrays Long-distance entanglement and quantum teleportation in coupled cavity arrays

2009-06-15

arxiv.org/abs/0906.2801v4

Phys. Rev. A 80, 050301(R) (2009)

Physics

Quantum Physics

4 pages, 5 figures. To appear in Phys. Rev. A (Rapid Communication)

Scientific paper

10.1103/PhysRevA.80.050301

We introduce quantum spin models whose ground states allow for sizeable entanglement between distant spins. We discuss how spin models with global end-to-end entanglement realize quantum teleportation channels with optimal compromise between scalability and resilience to thermal decoherence, and can be implemented straightforwardly in suitably engineered arrays of coupled optical cavities.

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