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- Title
First-principles calculation of the reflectance of shock-compressed xenon.
- Authors
Norman, G.; Saitov, I.; Stegailov, V.
- Abstract
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.
- Subjects
XENON; REFLECTANCE; DENSITY functional theory; MECHANICAL shock; INCIDENT radiation intensity; DIELECTRICS; KRAMERS-Kronig relations
- Publication
Journal of Experimental & Theoretical Physics, 2015, Vol 120, Issue 5, p894
- ISSN
1063-7761
- Publication type
Article
- DOI
10.1134/S1063776115040135