kaz29Вестник Казахстанско-Британского технического университетаHerald of the Kazakh-British Technical University1998-66882959-8109Казахстанско-Британский Технический Университет10.55452/1998-6688-2025-22-4-386-400kaz29-2309Research ArticleФИЗИЧЕСКИЕ НАУКИPHYSICAL SCIENCESИССЛЕДОВАНИЕ ОПТИЧЕСКИХ И ДИНАМИЧЕСКИХ СВОЙСТВ ВОДОРОДНОЙ ПЛАЗМЫ ПРИ ВЫСОКИХ ПЛОТНОСТЯХSTUDY OF OPTICAL AND DYNAMIC PROPERTIES OF HYDROGEN PLASMA AT HIGH DENSITIEShttps://orcid.org/0000-0001-7098-471XКодановаС. К.KodanovaS.

к.ф.-м.н., профессор

г. Алматы

Cand. Phys.-Math. Sc., Professor

Almaty

kodanova@physics.kzhttps://orcid.org/0000-0002-0264-2694ИсановаМ. К.IssanovaM.

PhD, ассоциированный профессор

г. Алматы

PhD, Associate Professor

Almaty

issanova@physics.kzhttps://orcid.org/0000-0002-8400-7183БастыковаН. Х.BastykovaN.

PhD, ассоциированный профессор

г. Алматы

PhD, Associate Professor

Almaty

bastykova_nuriya@physics.kzhttps://orcid.org/0000-0003-0223-0216КенжебековаА. И.KenzhebekovaA.

PhD, ст. преподаватель

г. Алматы

PhD, Senior Lecturer

Almaty

kenzhebekova.a@kaznu.kzhttps://orcid.org/0000-0003-0922-7802ХоффманнД.HoffmannD.

доктор наук, профессор

г. Дармштадт

D.Sc., Professor

Darmstadt

hoffmann@physik.tu-darmstadt.deКазахский национальный университет им. аль-ФарабиКазахстанAl-Farabi Kazakh National UniversityKazakhstanТехнический университет ДармштадтГерманияTechnical University of DarmstadtGermany202523122025224386400Copyright © Коданова С.К., Исанова М.К., Бастыкова Н.Х., Кенжебекова А.И., Хоффманн Д., 20252025Коданова С.К., Исанова М.К., Бастыкова Н.Х., Кенжебекова А.И., Хоффманн Д.Kodanova S., Issanova M., Bastykova N., Kenzhebekova A., Hoffmann D.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestnik.kbtu.edu.kz/jour/article/view/2309

В работе приведены результаты исследования оптических свойств водорода, в частности коэффициентов отражения и преломления электромагнитных волн, при этом диэлектрическая проницаемость вещества описывается обобщенной моделью Друде–Лоренца. В настоящей работе проведено исследование продольных и поперечных спектров колебаний микроскопического ионного тока в водороде при различных значениях температуры и плотности, а также выполнен анализ влияния электронных обменных и корреляционных эффектов. Исследование проводилось на основе эффективного потенциала взаимодействия с учетом коррекции локального поля, полученного из моделирования методом квантового Монте-Карло. Применение точных моделей локального поля, таких как аппроксимации на основе квантово-статистических расчетов, позволяет достоверно воспроизводить транспортные и оптические свойства плотных электронных систем. В частности, учет функции локального поля приводит к существенным поправкам в расчетах оптических и динамических свойств, что критически важно для моделирования горячего плотного вещества, металлизированной плазмы и вырожденных электронных систем.  Кроме того, наличие точной формы функции локального поля позволяет корректно описывать оптические и динамические свойства плазмы, включая коэффициенты отражения и поглощения, собственные моды колебаний. 

This paper presents the results of a study of the optical properties of hydrogen, specifically the reflection and refraction coefficients of electromagnetic waves, with the permittivity of the substance described by the generalized Drude–Lorentz model. This paper examines the longitudinal and transverse spectra of microscopic ion current oscillations in hydrogen at various temperatures and densities, and analyzes the influence of electron exchange and correlation effects. The study was conducted using the effective interaction potential, taking into account a local field correction obtained from quantum Monte Carlo simulations. The use of accurate local field models, such as approximations based on quantum statistical calculations, allows for the reliable reproduction of the transport and optical properties of dense electron systems. In particular, taking into account the local field function leads to significant corrections in the calculations of optical and dynamic properties, which is critical for modeling hot dense matter, metallized plasma, and degenerate electron systems. In addition, the presence of an exact form of the local field function allows us to correctly describe the optical and dynamic properties of the plasma, including the reflection and absorption coefficients and natural oscillation modes.

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The authors declare that there are no conflicts of interest present.