In tracking test, discharge is a complicated process and comparative tracking index (CTI) has wide varia-tion. To evaluate tracking resistance, the chaos analysis of discharge current is presented based on the trackin...In tracking test, discharge is a complicated process and comparative tracking index (CTI) has wide varia-tion. To evaluate tracking resistance, the chaos analysis of discharge current is presented based on the tracking test of phenolic resin in accordance with IEC60112. According to the characteristics of statistical self-similarity and complexity of discharge current, the largest Lyapunov exponent is calculated, and the 2-dimensional attractor of discharge current is reconstructed. Moreover, the attractors of discharge current and recurrence plots of different discharge states are reconstructed. The results indicate that the chaos attractors have different characteristics in evo-lutionary tracks, the topological structure and grain direction of recurrence plots show significant differences. The chaos attractor can describe the tracking process, the recurrence plot can identify the tracking state clearly, while its arithmetic is simple.展开更多
We consider a one-dimensional array of L identical coupled cavities,and each cavity is doped with atwo-level qubit.Experimentally,it has been developed in several varieties by the newest technology.We find that theone...We consider a one-dimensional array of L identical coupled cavities,and each cavity is doped with atwo-level qubit.Experimentally,it has been developed in several varieties by the newest technology.We find that theone-qubit quantum state can be perfectly transferred through the cavity array,and the entanglement between the firsttwo qubits can also be transferred to the last two qubits.In addition,we successfully realized the entangling gate andswap gate in the coupled cavity array.展开更多
基金Supported by National Natural Science Foundation of China (No.50777048).
文摘In tracking test, discharge is a complicated process and comparative tracking index (CTI) has wide varia-tion. To evaluate tracking resistance, the chaos analysis of discharge current is presented based on the tracking test of phenolic resin in accordance with IEC60112. According to the characteristics of statistical self-similarity and complexity of discharge current, the largest Lyapunov exponent is calculated, and the 2-dimensional attractor of discharge current is reconstructed. Moreover, the attractors of discharge current and recurrence plots of different discharge states are reconstructed. The results indicate that the chaos attractors have different characteristics in evo-lutionary tracks, the topological structure and grain direction of recurrence plots show significant differences. The chaos attractor can describe the tracking process, the recurrence plot can identify the tracking state clearly, while its arithmetic is simple.
基金National Natural Science Foundation of China under Grant No.10374007
文摘We consider a one-dimensional array of L identical coupled cavities,and each cavity is doped with atwo-level qubit.Experimentally,it has been developed in several varieties by the newest technology.We find that theone-qubit quantum state can be perfectly transferred through the cavity array,and the entanglement between the firsttwo qubits can also be transferred to the last two qubits.In addition,we successfully realized the entangling gate andswap gate in the coupled cavity array.
