The band structures of two-dimensional(2D)gyromagnetic photonic crystals(PCs)are analyzed by a modified finite difference time domain(FDTD)method.A special implementation is used to tackle the magnetic constitution eq...The band structures of two-dimensional(2D)gyromagnetic photonic crystals(PCs)are analyzed by a modified finite difference time domain(FDTD)method.A special implementation is used to tackle the magnetic constitution equation.This method avoids the discretizing complexity in the time domain caused by nonlinear frequency dependence of anisotropy permeability tensor,and therefore keeps the fully explicit nature of the original FDTD method.Our implementation is proved by the band structure calculations using other methods and the transmission measurements of 2D gyromagnetic PC involving circular ferrite rods and square rods.展开更多
Experiments on the pressure dependence of the orientational ordering in solid C_(60) suggest that,the critical temperature increases with the increase of pressure.This paper has successfully explained this phenomenon ...Experiments on the pressure dependence of the orientational ordering in solid C_(60) suggest that,the critical temperature increases with the increase of pressure.This paper has successfully explained this phenomenon from the vieiv point of statistical physics on the basis of the order-disorder theory.展开更多
基金Supported by the National Natural Science Foundation of China(61271080,61001017,61071007)the RFDP(20110091110030 and 20100091120045)+1 种基金the STP of Jiangsu Province(BK2012722)Jiangsu Key Laboratory of Advanced Techniques for Manipulating Electromagnetic Waves.
文摘The band structures of two-dimensional(2D)gyromagnetic photonic crystals(PCs)are analyzed by a modified finite difference time domain(FDTD)method.A special implementation is used to tackle the magnetic constitution equation.This method avoids the discretizing complexity in the time domain caused by nonlinear frequency dependence of anisotropy permeability tensor,and therefore keeps the fully explicit nature of the original FDTD method.Our implementation is proved by the band structure calculations using other methods and the transmission measurements of 2D gyromagnetic PC involving circular ferrite rods and square rods.
文摘Experiments on the pressure dependence of the orientational ordering in solid C_(60) suggest that,the critical temperature increases with the increase of pressure.This paper has successfully explained this phenomenon from the vieiv point of statistical physics on the basis of the order-disorder theory.