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首页> 外文期刊>Journal of Physics, B. Atomic, Molecular and Optical Physics: An Institute of Physics Journal >Kinematic origin for near-zero energy structures in mid-IR strong field ionization
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Kinematic origin for near-zero energy structures in mid-IR strong field ionization

机译:中红外强场电离中接近零能量结构的运动学起源

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摘要

We propose and discuss a kinematic mechanism underlying the recently discovered 'near-zero energy structure' in the photoionization of atoms in strong mid-infrared laser fields, based on trajectories which revisit the ion at low velocities exactly analogous to the series responsible for low-energy structures. The different scaling of the new series, as E similar to(IpUp)-U-2,suggests that the near-zero energy structure can be lifted to higher energies, where it can be better resolved and studied, using harder targets with higher ionization potential.
机译:我们提出并讨论了一种在近中强激光场中原子光电离中最近发现的“近零能量结构”基础的运动学机理,其运动轨迹是在低速度下重访离子的轨迹,该轨迹与造成低能级的离子序列完全相似。能量结构。新系列的不同缩放比例,例如类似于(IpUp)-U-2的E,建议可以将接近零的能量结构提升为更高的能量,并可以使用更高电离的硬目标更好地解析和研究该结构。潜在。

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