Nested entangled states for distributed quantum channels
arXiv:0708.0557 · doi:10.1103/PhysRevA.77.020303
Abstract
We find a coupling-strength configuration for a linear chain of N spins which gives rise to simultaneous multiple Bell states. We suggest a way such an interesting entanglement pattern can be used in order to distribute maximally entangled channels to remote locations and generate multipartite entanglement with a minimum-control approach. Our proposal thus provides a way to achieve the core resources in distributed information processing. The schemes we describe can be efficiently tested in chains of coupled cavities interacting with three-level atoms.
4 pages, 2 figures, RevTeX4
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