Entanglement generation in spatially separated systems using quantum walk

Details Entanglement generation in spatially separated systems using quantum walk Entanglement generation in spatially separated systems using quantum walk

2010-05-20

arxiv.org/abs/1005.3785v1

Physics

Quantum Physics

4.5 pages, 4 figures

Scientific paper

We present a novel scheme to generate entanglement between two spatially separated systems. The scheme makes use of spatial entanglement generated by a single-particle quantum walk which is used to entangle two spatially separated, not necessarily correlated, systems. This scheme can be used to entangle any two systems which can interact with the spatial modes entangled during the quantum walk evolution. A notable feature is that we can control the quantum walk dynamics and its ability to localize leads to a substantial control and improvement in the entanglement output.

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