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| 激光与二维多势阱系统相互作用下的谐波发射 | |
| 引用本文： | 杨振宇,张春丽,车继馨. 激光与二维多势阱系统相互作用下的谐波发射[J]. 原子与分子物理学报, 2012, 29(6): 677-681 |
| 作者姓名： | 杨振宇 张春丽 车继馨 |
| 作者单位： | 许昌学院电气信息工程学院,许昌学院电气信息工程学院,空军航空大学军械工程系 |
| 摘 要： | 采用二维渐近边界条件和辛算法数值求解了激光和二维多势阱系统互作用的二维含时Schrödinger方程的无穷空间初值问题。计算了二维多势阱系统分别在线偏振激光和圆偏振激光作用下的谐波发射，得到不同模型发射谐波谱的特点，说明多势阱环境有利于高次谐波的发射。 |
| 关 键 词： | 二维渐近边界条件，辛算法，多势阱，高次谐波 |
The high order harmonic generation from a two-dimensional multiwell system in laser field |
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| Abstract: | The two-dimensional time-dependent Schrödinger equation (TDSE) of laser pulse interacting with a two-dimensional multiwell system is solved by using the two-dimensional asymptotic boundary condition (ABC) and symplectic algorithm. The high order harmonic generation(HHG) of the system in the laser field has been calculated, and the characteristics of HHG under different polarized laser field has been analyzed. |
| Keywords: | two-dimensional asymptotic boundary condition symplectic algorithm multiwell high-order harmonic generation. |
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