线偏振和圆偏振laser脉冲对Mg原子三重态的多光子电离
Multiphoton ionization through the triplet states of Mg by linearly and circularly polarized laser pulses
摘要：
理论研究了线偏振和圆偏振飞秒激光脉冲作用下Mg原子三重态的多光子电离。用冻核Hartree-Fock势（FCHFP）和模型势（MP）方法建立了单重态和三重态的原子基，在态能量和偶极矩阵元方面与现有数据吻合较好，然后求解了以$3s3p$ $^{3}P_{1}$为初态的含时薛定谔方程，计算了总电离产额和光电子能谱。
英文摘要：
We theoretically study multiphoton ionization through the triplet states of Mg by linearly polarized (LP) and circularly polarized (CP) fs laser pulses. After the construction of the atomic basis using the frozen-core Hartree-Fock potential (FCHFP) as well as the model potential (MP) approaches for both singlet and triplet series which show rather good agreements with the existing data in terms of state energies and dipole matrix elements, we solve time-dependent Schrödinger equations with $3s3p$ $^{3}P_{1}$ as an initial state, and calculate the total ionization yield and photoelectron energy spectra (PES).
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