Multiple electron trapping in the fragmentation of strongly driven molecules

Multiple electron trapping in the fragmentation of strongly driven molecules
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强驱动分子碎片中的多电子俘获

DOI:
10.1088/1367-2630/14/11/115010
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发表时间:
2012
影响因子:
3.3
通讯作者:
Emmanouilidou A
Emmanouilidou A
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Emmanouilidou A

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我们提出了一个理论准经典研究的形成,在库仑爆炸,两个高度激发的中性H原子(双H*)的强驱动H2。在这个过程中,在激光场关闭后,每个电子占据H原子的里德堡态。我们确定的路线形成两个H* 原子,并表明,双电子效应是重要的。我们还发现,在双H* 形成中,两个电离步骤都是“受抑的”,而对于导致单H* 形成的两种途径,只有一个电离步骤是“受抑的”,如Emmanouilidou等人(2012 Phys.Rev.A85011402)所示。此外,我们计算了屏蔽的核电荷,驱动双H* 形成过程中的核爆炸。
We present a theoretical quasi-classical study of the formation, during Coulomb explosion, of two highly excited neutral H atoms (double H*) of strongly driven H 2. In this process, after the laser field is turned off each electron occupies a Rydberg state of an H atom. We identify the route for forming two H* atoms and show that two-electron effects are important. We also find that both ionization steps are'frustrated'in double H* formation, whereas only one ionization step is' frustrated'for both the routes leading to single H* formation, as was shown by Emmanouilidou et al (2012 Phys. Rev. A 85 011402). Moreover, we compute the screened nuclear charge that drives the explosion of the nuclei during double H* formation.
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期刊: Journal of Physics B: Atomic, Molecular and Optical Physics
影响因子: --
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