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초강력 레이저 과학 연구단
초강력 레이저과학 연구단
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Measurements of continuum lowering in solid-density plasmas created from elements and compounds

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Title
Measurements of continuum lowering in solid-density plasmas created from elements and compounds
Author(s)
Ciricosta, O; Vinko, SM; Barbrel, B; Rackstraw, DS; Preston, TR; Burian, T; Chalupsky, J; Byeoung Ick Cho; Chung, HK; Dakovski, GL; Engelhorn, K; Hajkova, V; Heimann, P; Holmes, M; Juha, L; Krzywinski, J; Lee, RW; Toleikis, S; Turner, JJ; Zastrau, U; Wark, JS
Publication Date
2016-05
Journal
NATURE COMMUNICATIONS, v.7, no., pp.11713 -
Publisher
NATURE PUBLISHING GROUP
Abstract
The effect of a dense plasma environment on the energy levels of an embedded ion is usually described in terms of the lowering of its continuum level. For strongly coupled plasmas, the phenomenon is intimately related to the equation of state; hence, an accurate treatment is crucial for most astrophysical and inertial-fusion applications, where the case of plasma mixtures is of particular interest. Here we present an experiment showing that the standard density-dependent analytical models are inadequate to describe solid-density plasmas at the temperatures studied, where the reduction of the binding energies for a given species is unaffected by the different plasma environment (ion density) in either the element or compounds of that species, and can be accurately estimated by calculations only involving the energy levels of an isolated neutral atom. The results have implications for the standard approaches to the equation of state calculations
URI
http://pr.ibs.re.kr/handle/8788114/2533
DOI
10.1038/ncomms11713
ISSN
2041-1723
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
Files in This Item:
BICHO_Measurement of Continum_Nature Communications.pdfDownload

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