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强激光场中一维原子的渐近边界条件
Asymptotic Boundary Conditions of One-dimensional Atom for Intense Laser Field
【摘要】 用Fourier变换推导了强激光场中一维原子模型的渐近边界条件,分析了三类渐近边界条件的误差,用第一类渐近边界条件和非齐线性正则方程的辛算法计算了强激光场中一维氢原子的几率分布和平均能量,并将结果与理论分析进行了比较.
【Abstract】 Asymptotic boundary conditions of one\|dimensional atomic model in intense laser field are derived using Fourier transformation.Errors of the three asymptotic boundary conditions are analyzed.The probability distribution and the average energy for one\|dimensional hydrogen atom in the intense laser field are numerically computed using the first boundary condition and the symplectic method for the linear inhomogeneous canonical equations.The results are compared with theoretic analyses.
【关键词】 Fourier变换;
渐近边界条件;
强激光场;
【Key words】 Fourier transformation; asymptotic boundary condition; intense laser field;
【Key words】 Fourier transformation; asymptotic boundary condition; intense laser field;
【基金】 国家自然科学基金(10171039,10074019);国家重大基础研究专项经费(G1999032804)资助项目
- 【文献出处】 计算物理 ,Chinese Journal of Computation Physics , 编辑部邮箱 ,2003年05期
- 【分类号】O562;TN249
- 【被引频次】5
- 【下载频次】62