采用半经典散射矩阵方法研究外磁场中高里德伯态双原子分子在能量范围为77010—77050cm^-1的回归谱.通过引进模型势简化强磁场中NO分子的高里德伯电子的势函数,找出其在核转动量子数分别为N=1,3,5的三个通道中的闭合轨道,重点分析了强磁场中NO分子的长程散射矩阵元实部的傅里叶变换谱与闭合轨道之间的一一对应关系.
The scattering matrix approach to analyze the recurrence spectra of diatomic molecules in strong external magnetic field in the energy range E=77010—77050cm^-1 is investigated.A new potential model is introduced to simplify the potential of the Rydberg electron of NO in external field.Based on the calculation of semiclassical orbits for the Rydberg states with rotation quantum number N=1,3,5,the long-range scattering matrix elements are obtained,which demonstrates that the quantum resonance peaks are intimately related to the corresponding closed orbits.