科研之友
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摘要
This paper proposes a scheme to generate a new chi-type four-atom entangled state for the first time by using linear optics elements, four one-sided cavities (one three-level atom) and a conventional photon detector. The linear optical elements and conventional photon detector are simple and accessible in experiments, which makes the scheme more feasible with current technology. In addition, the state vertical bar chi(00 >)3214 with probability I can be generated as long as there is no photon loss.
