First-principles calculation of the reflectance of shock-compressed xenon

被引：4

作者：

Norman, G. E. ^{[1
,2
]}

Saitov, I. M. ^{[1
]}

Stegailov, V. V. ^{[1
,2
,3
]}

机构：

[1] Russian Acad Sci, Inst High Temperatures, Moscow 125412, Russia

[2] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Oblast, Russia

[3] Natl Res Univ, Higher Sch Econ, Moscow 101000, Russia

来源：

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2015年 / 120卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

INITIO MOLECULAR-DYNAMICS; DENSITY-FUNCTIONAL THEORY; DIELECTRIC-CONSTANT; REFLECTIVITY; EQUILIBRIUM; CONDUCTION; SIMULATION; DEUTERIUM;

D O I：

10.1134/S1063776115040135

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Within electron density functional theory (DFT), the reflectance of radiation from shock-compressed xenon plasma is calculated. The dependence of the reflectance on the frequency of the incident radiation and on the plasma density is considered. The Fresnel formula is used. The expression for the longitudinal dielectric tensor in the long-wavelength limit is used to calculate the imaginary part of the dielectric function (DF). The real part of the DF is determined by the Kramers-Kronig transformation. The results are compared with experimental data. An approach is proposed to estimate the plasma frequency in shock-compressed xenon.

引用

页码：894 / 904

页数：11

共 60 条

[51] Optical signature of hydrogen-helium demixing at extreme density-temperature conditions
Soubiran, F.
Mazevet, S.
Winisdoerffer, C.
Chabrier, G.
[J]. PHYSICAL REVIEW B, 2013, 87 (16):
[52] Helium gap in the warm dense matter regime and experimental reflectivity measurements
Soubiran, F.
Mazevet, S.
Winisdoerffer, C.
Chabrier, G.
[J]. PHYSICAL REVIEW B, 2012, 86 (11)
[53] LENGTH AND VELOCITY FORMULAS IN APPROXIMATE OSCILLATOR-STRENGTH CALCULATIONS
STARACE, AF
[J]. PHYSICAL REVIEW A, 1971, 3 (04): : 1242 - &
[54] Thouin F, 2019, NAT MATER, V18, P349, DOI [10.1038/s41563-018-0262-7, 10.1016/0022-3093(95)00355-X]
[55] DIELECTRIC CONSTANT WITH LOCAL FIELD EFFECTS INCLUDED
WISER, N
[J]. PHYSICAL REVIEW, 1963, 129 (01): : 62 - +
[56] Reflectivity of nonideal plasmas
Zaporoghets, Yu
Mintsev, V.
Gryaznov, V.
Fortov, V.
Reinholz, H.
Raitza, T.
Roepke, G.
[J]. JOURNAL OF PHYSICS A-MATHEMATICAL AND GENERAL, 2006, 39 (17): : 4329 - 4333
[57] Zaporozhets Yu. B., 2002, PHYS EXTREME STATES, P188
[58] Zaporozhets Yu. B., 2004, PHYS EXTREME STATES, P140
[59] Application of the density-functional theory to calculation of the reflectivity from shocked xenon
Zhilyaev, P. A.
Norman, G. E.
Saitov, I. M.
Stegailov, V. V.
[J]. DOKLADY PHYSICS, 2013, 58 (07) : 277 - 281
[60] Zhilyaev P. A., 2012, METODY PROGRAM, V13, P37

← 1 2 3 4 5 6 →