Sequential ionization and energy gain of bound electrons in classical modeling of atoms in strong laser fields

Haan S.L.; Danks N.A.; Shomsky K.N.

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Sequential ionization and energy gain of bound electrons in classical modeling of atoms in strong laser fields

机译：在强激光场中原子的经典建模中，束缚电子的顺序电离和能量增益

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Classical mechanics and classical ensembles have provided numerous insights into the dynamics of strong-field double ionization. In this paper, we show that in classical multidimensional modeling, the laser intensity at which sequential ionization begins to dominate depends on the softening of the interaction between the electron and nucleus. We show that an unsoftened interaction in two or three dimensions can lead to classical orbits in which an electron can start deep in the nuclear potential-energy well, gain energy from the oscillating laser field, and ionize over the barrier without any recollision. We discuss how this energy gain occurs, with the electron orbit favoring one side of the nucleus or the other, depending on which side corresponds with the rising potential-energy curve.

机译：古典力学和古典合奏为强场双电离动力学提供了许多见解。在本文中，我们表明，在经典的多维建模中，顺序电离开始占优势的激光强度取决于电子与原子核之间相互作用的减弱。我们表明，在两维或三维中未软化的相互作用可以导致经典轨道，在该轨道中，电子可以在核势能井深处开始，从振荡的激光场中获取能量，并在没有任何碰撞的情况下在势垒上电离。我们讨论这种能量增益是如何发生的，取决于电子轨道偏向原子核的一侧还是另一侧，具体取决于哪一侧与上升的势能曲线对应。

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《Physical Review, A. Atomic, molecular, and optical physics》 |2012年第2期|共9页
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Haan S.L.; Danks N.A.; Shomsky K.N.;
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1. Sequential ionization and energy gain of bound electrons in classical modeling of atoms in strong laser fields [J] . S. L. Haan, N. A. Danks, K. N. Shomsky PHYSICAL REVIEW A . 2012,第3期

机译：在强激光场中原子的经典建模中，束缚电子的顺序电离和能量增益
2. Energy distribution of ionized electrons from He atoms in strong laser fields [J] . Chen BZ. Physics of plasmas . 2000,第1期

机译：强激光场中He原子离子化电子的能量分布
3. Low-Energy Photoelectron Angular Distributions of Above-Threshold Ionization of Atoms and Molecules in Strong Laser Fields [J] . Liu Y., Liu X., Deng Y., Selected Topics in Quantum Electronics, IEEE Journal of . 2012,第1期

机译：在强激光场中原子和分子的阈值以上电离的低能光电子角分布
4. Scaling of maximum electron energy gain in laser wakefield acceleration with ionization injection [C] . Shaw Jessica L., Vafaei-Najafabadi Navid, Marsh Ken A., 2013 Abstracts IEEE International Conference on Plasma Science . 2013

机译：电离注入在激光尾波加速中最大电子能量增益的缩放
5. Relativistic rescattering and multi-electron ionization of atoms and molecules in ultra-strong laser fields. [D] . Palaniyappan, Sasikumar. 2008

机译：超强激光场中原子和分子的相对论性散射和多电子电离。
6. Angle-dependent electron-electron correlation in the single ionization of H2 in strong laser fields [O] . Wan-Yang Wu, Feng He -1

机译：在强激光场中H2的单电离中依赖于角度的电子电子相关性
7. A two-dimensional, two-electron model atom in a laser pulse: exact treatment, single active electron-analysis, time-dependent density functional theory, classical calculations, and non-sequential ionization [O] . Bauer, D 1997

机译：激光脉冲中的二维，双电子模型原子：精确处理，单活性电子分析，时变密度泛函理论，经典计算和非顺序电离
8. Theory of Atoms in Strong, Pulsed Electromagnetic Fields: 2, A Free Electron and a Harmonically Bound Electron [R] . Szoeke, A. , Garrison, J. 1987

机译：强脉冲电磁场中的原子理论：2，自由电子和谐振电子

Sequential ionization and energy gain of bound electrons in classical modeling of atoms in strong laser fields

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