共被期刊论文引用了3次
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| 1 | Concentration and distribution of entanglement based on valley qubits system in graphene显示文摘Exploiting the optical excitation selection rules in graphene quantum dots, we investigate theoretically the entanglement generation process and entanglement concentration process of valley qubits. Our protocol shows that the graphene-based quantum dots can be distributed in a maximally entangled state through the interaction with single photons. In our proposed scheme, the setups are simplified as only single-photon detection is required. This provides a fast, all-optical manipulation of on-chip qubits,which gives an effective way for quantum information processing in graphene-based solid qubits. | Chuan Wang Wei-Wei Shen Si-Chen Mi Yong Zhang Tie-Jun Wang | 2015 | Science Bulletin2015，60，23： | 4 |
| 2 | Editorial显示文摘A sliding mode decoupling attitude controller based on parametric commands is proposed for a generic hypersonic vehicle(GHV). This vehicle model has fast time variability and strong coupling, is highly nonlinear, and includes uncertain parameters. The design of the controller takes these features into account.First, for the purpose of decoupling, the inner loop of the controller is designed using the dynamic inversion(DI) method. Input/output linearization is achieved using full-state feedback to globally linearize the nonlinear dynamics of selected controlled outputs. Second, to improve the robustness of the attitude control system, the sliding mode control(SMC) method is used to design the outer loop of the controller. Although the DI and SMC methods result in decoupling and robustness, there exists serious inconsistency between the commands of the attitude angles and the commands of the first-order differential of the attitude angles. To solve this problem and achieve a trade-off between dynamic response speed and attitude-tracking precision, we propose a parametric method for calculating the commands of the first-order differential of the attitude angles. Finally,simulation studies are conducted for the trimmed cruise conditions of 33.5 km altitude and Mach 15, and the responses of the vehicle to the step commands of pitch angle, yaw angle, and rolling angle are examined. The simulation studies demonstrate that the proposed controller is robust with respect to the uncertain parameters and atmospheric disturbance and meets the performance requirements of the GHV with acceptable control inputs. | WANG Peng TANG GuoJian WU Jie | 2015 | Science China(Physics,Mechanics & Astronomy)2015，58，5： | 1 |
| 3 | Entanglement concentration of W-class states on nonlocal atoms using low-Q optical cavity显示文摘As one of the most striking features of quantum phenomena,quantum entanglement has been identified as a key nonlocal resource in quantum information processing such as quantum cryptography[1–3].In particular,the maximally entangled states give rise to the best fidelity in general,for instance,perfect teleportation.Nevertheless,in practical,during the transmission of quantum entanglement,a maximally entangled | Shao-Ming FEI | 2016 | Science China Earth Sciences2016，59，12： | 0 |
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