Extensive dynamical N/D calculations are conducted in the study of S 11 channel low energy πN scat-terings,based on var......

Hyperelastic materials containing glass micro-ellipsoids are designed to tune elastic wave propagation by pre-strain.The......

对自由电子激光的色散关系进行理论分析。通过自由电子激光摆方程推导出线性增长区增益系数和折射率(复折射率的虚实部),并证明增......