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首页> 外文会议>NATO Advanced Research Workshop on Super-Intense Laser-Atom Physics Sep 24-30, 2000 Han-sur-Lesse, Belgium >COMPUTER EXPERIMENTS ON ATOMIC STABILIZATION IN A STRONG LASER FIELD
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COMPUTER EXPERIMENTS ON ATOMIC STABILIZATION IN A STRONG LASER FIELD

机译：强激光场中原子稳定的计算机实验

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摘要

In this paper, we apply the method of direct numerical integration of the time-dependent Schroedinger equation for the analysis of he ionization dynamics of the hydrogen atom in a state |nlm>by a strong linearly polarized laser field. Based on the results of these calculations, we discuss the general scena io of stabilization of an atom in a strong electromagnetic field due to the nonlinear dependence of the matrix element governing the ionization process on the strength of the wave field. We will demonstrate that such a nonlinearity may arise under certain conditions due to different kinds of the transitions between stationary states of the quantum system being reconstructed by the intense laser radiation. In this sence, we can speak of the competition and replacement of stabilization mechanisms, depending on the laser intensity and the set of the quantum numbers characterizing the initial atomic state.
机译：在本文中，我们将时间依赖型Schroedinger方程的直接数值积分方法用于通过强线性偏振激光场分析状态为| nlm>的氢原子的电离动力学。基于这些计算的结果，我们讨论了由于控制电离过程的基体元素对波场强度的非线性依赖性，在强电磁场中原子稳定的一般方案。我们将证明这种非线性可能在某些条件下出现，这是由于强激光辐射重建的量子系统的稳态之间不同类型的跃迁。在这种情况下，我们可以说稳定机制的竞争和替代，这取决于激光强度和表征初始原子态的量子数集。

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