科研之友
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摘要
We consider an open quantum system consisting of four atoms which are placed in a damped cavity. Through a dissipative dynamics process, a W state can be converted into a Greenberger-Horne-Zeilinger state with deterministic probability. In addition, the interaction time need not be controlled strictly in the dynamics process. The protocol may open up a promising perspective for quantum state conversion between different classes of entanglement and cavity quantum electrodynamics systems.
- 出版日期2013-8-30
- 单位华北电力大学; 哈尔滨工业大学; 华北电力大学（保定）; 福州大学; 大连理工大学
