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- Chinese Academy of SciencesCN41 papers
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4 papers · 2 filters
One-step deterministic polarization entanglement purification using spatial entanglement
Yu-Bo Sheng, Fu-Guo Deng
We present a one-step deterministic entanglement purification protocol with linear optics and postselection. Compared with the Simon-Pan protocol (Phys. Rev. Lett. 89, 257901 (2002…
Residual effect on the robustness of multiqubit entanglement
Bao-Kui Zhao, Fu-Guo Deng
We investigate the relation between the entanglement and the robustness of a multipartite system to a depolarization noise. We find that the robustness of a two-qubit system in an…
Efficient and economic five-party quantum state sharing of an arbitrary m-qubit state
Yu-Bo Sheng, Fu-Guo Deng, Hong-Yu Zhou
We present an efficient and economic scheme for five-party quantum state sharing of an arbitrary m-qubit state with three-particle Greenberger-Horne-Zeilinger (GHZ) states and…
Dynamic Quantum Tunneling in Mesoscopic Driven Duffing Oscillators
Lingzhen Guo, Zhigang Zheng, Xin-Qi Li +1
We investigate the dynamic quantum tunneling between two attractors of a mesoscopic driven Duffing oscillator. We find that, in addition to inducing remarkable quantum shift of the…