科研之友
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摘要
Continuous variable cluster entangled states are a potential resource for universal quantum computation. Here we propose a scalable scheme to prepare a class of multimode cluster entangled states. In terms of graph states, all modes are denoted by the nodes, and the lines connecting the nodes represent the interactions between the connected nodes. Our cluster entangled states correspond to two-colourable graphs, in which the nodes belong to two different families, and the lines connect only the nodes of different families. The physical mechanism is attributed to quantum interference between multiple pathways for wave-mixing parametric interactions in near-resonant systems.
- 出版日期2011-10-28
- 单位华中师范大学
