能量ε<0时Li原子在平行电磁场中的光吸收谱研究

Photoabsorption Spectra for Lithium Atom in Parallel Electric and Magnetic Fields

利用包括实散射的闭合轨道理论和分区自洽的迭代算法 ,计算了标度能量为ε =- 0 .0 3,标度电场 F =0 .0 1时的平行电磁场中n≈ 4 0 ,m =0的Li原子闭合轨道以及光吸收谱 .介绍了谱的标度特性 ,它对理解量子与经典之间的对应关系具有非常重要的意义 .并与同样情况下的氢原子谱作了比较 .验证了离子实对光吸收过程的重要作用 .

By employing the semiclassical closed-orbit theory including core-scattering and region-splitting consistent iterative method, we calculate the closed-orbits and the recurrence spectra of n≈40, m=0 Li Rydbergatom in parallel electric and magnetic fields at scaled energy ε=-0.03. The constant scaled electric field is =0.01 . The novel spectral structures are compared with those of hydrogen obtaines by standard closed orbit theory. The effect of the core-scattering has been discussed.