Hollow ion atomic structure and X-ray emission in dense hot plasmas

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外文摘要：Hollow ion X-ray emission is of great interest in high-energy-density research,since negligible opacity allows studies from the interior of very dense objects.In this paper,ionization potential depressions of the isoelectronic sequences for single and double K-shell vacancies are obtained from a pure ab initio multiconfiguration Hartree-Fock simulation including exact exchange terms and finite temperature dense plasma effects.It is demonstrated that the simultaneous representation of these ab initio data in the form of a map of hollow ion X-ray transition energies enables identification of important steps in the matter evolution and ionization dynamics.Mapping along the isoelectronic sequence as a function of the pumping energy of a X-ray free electron laser also enables visualization of the impact of ionization potential depression on the pathways of hollow ion formation.

作者：

Frank B.Rosmej、Christopher J.Fontes

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作者单位：

Sorbonne University,Faculty of Science and Engineering,UMR 7605,Case 128,4 Place Jussieu,F-75252 Paris,France

Ecole Polytechnique,LULI,Atomic Physics in Dense Plasmas,Route de Saclay,F-91129 Palaiseau,France

Computational Physics Division,Los Alamos National Laboratory,Los Alamos,New Mexico 87545,USA

出版年：

2024

DOI：

10.1063/5.0226041

极端条件下的物质与辐射(英文)

中国工程物理研究院科技信息中心

极端条件下的物质与辐射(英文)

ISSN：2468-2047

年,卷(期)：2024.9(6)