Short-pulse electromagnetic scattering on near-solid-density matter: Description of closed analytical expressions including opacity

Rosmej F. B.; Astapenko V. A.; Li X.

doi:10.1063/5.0315205

Volume 11 Issue 3

May 2026

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Rosmej F. B., Astapenko V. A., Li X.. Short-pulse electromagnetic scattering on near-solid-density matter: Description of closed analytical expressions including opacity[J]. Matter and Radiation at Extremes, 2026, 11(3): 037203. doi: 10.1063/5.0315205

Citation:

Rosmej F. B., Astapenko V. A., Li X.. Short-pulse electromagnetic scattering on near-solid-density matter: Description of closed analytical expressions including opacity[J]. Matter and Radiation at Extremes, 2026, 11(3): 037203. doi: 10.1063/5.0315205

Citation:

Rosmej F. B., Astapenko V. A., Li X.. Short-pulse electromagnetic scattering on near-solid-density matter: Description of closed analytical expressions including opacity[J]. Matter and Radiation at Extremes, 2026, 11(3): 037203. doi: 10.1063/5.0315205

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Short-pulse electromagnetic scattering on near-solid-density matter: Description of closed analytical expressions including opacity

doi: 10.1063/5.0315205

Rosmej F. B.^{1, 2
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Astapenko V. A.^{3
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Li X.^{4
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1.
Sorbonne University, Faculty of Science and Engineering, UMR 7605, Case 128, 4 Place Jussieu, Paris Cedex 05 F-75252, France
2.
LULI, Ecole Polytechnique, Laboratoire pour l’Utilisation des Lasers Intenses, Physique Atomique dans les Plasmas Denses, Palaiseau F-91128, France
3.
Moscow Institute of Physics and Technology, Dolgoprudnyi, Russia
4.
Key Laboratory of Ultra-intense laser Science and Technology, Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences (CAS), Shanghai 201800, China

More Information

Corresponding author: a)Authors to whom correspondence should be addressed: frank.rosmej@sorbonne-universite.fr; astval@mail.ru; and xiangdong_li@siom.ac.cn
Received Date: 2025-12-04
Accepted Date: 2026-02-19

Available Online: 2026-05-28

Publish Date: 2026-05-28

Abstract

Abstract

We propose and elaborate a novel analytical method for describing the fundamental scattering processes of ultrashort laser pulses in matter under extreme conditions using the total scattering coefficient. This method considers the specifics of ultrafast electromagnetic interaction and the effects of pulse propagation in dense matter. It is demonstrated that analytical expressions can be obtained within the framework of the local plasma frequency model, allowing a link to be established between the dynamic polarizability and the dressed ion sphere that represents the extremely dense matter. Extinction and scattering cross sections are then functionals of the electron density, which is calculated in a self-consistent quantum-mechanical approach. Detailed calculations are carried out for the Al¹²⁺ ion in near-solid-density plasmas. The dependences on the laser pulse parameters and the opacity of the plasma are analyzed. Specific features of these dependences are established and explained.

Conflict of Interest
The authors have no conflicts to disclose.
F. B. Rosmej: Conceptualization (equal); Data curation (equal); Formal analysis (equal); Investigation (equal); Methodology (equal); Validation (equal); Visualization (equal); Writing – original draft (equal); Writing – review & editing (equal). V. A. Astapenko: Conceptualization (equal); Data curation (equal); Formal analysis (equal); Investigation (equal); Methodology (equal); Software (equal); Validation (equal); Visualization (equal); Writing – original draft (equal); Writing – review & editing (equal). X. Li: Conceptualization (equal); Data curation (equal); Formal analysis (equal); Software (equal); Validation (equal); Visualization (equal); Writing – original draft (equal); Writing – review & editing (equal).
Author Contributions
The data that support the findings of this study are available from the corresponding author upon reasonable request.

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References(16)

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