Journal article
Measurements of continuum lowering in solid-density plasmas created from elements and compounds
- 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.
- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Preview, Version of record, pdf, 853.0KB, Terms of use)
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- Publisher copy:
- 10.1038/ncomms11713
Authors
+ Engineering and Physical Sciences Research Council
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- Funder identifier:
- https://ror.org/0439y7842
- Funding agency for:
- Ciricosta, O
- Vinko, SM
- Wark, JS
- Grant:
- EP/H035877/1
- EP/H035877/1
- EP/H035877/1
+ Volkswagen Foundation
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- Funder identifier:
- https://ror.org/03bsmfz84
- Grant:
- Peter-Paul-Ewald fellowship
+ Czech Science Foundation
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- Funder identifier:
- https://ror.org/01pv73b02
- Grant:
- P205/11/0571
+ Atomic Weapons Establishment
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- Funder identifier:
- https://ror.org/02gv4h649
- Funding agency for:
- Preston, TR
+ United States Department of Energy
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- Funder identifier:
- https://ror.org/01bj3aw27
- Grant:
- DE-AC02-76SF00515
- Publisher:
- Nature Publishing Group
- Journal:
- Nature Communications More from this journal
- Volume:
- 7
- Issue:
- 1
- Article number:
- 11713
- Publication date:
- 2016-05-23
- Acceptance date:
- 2016-04-22
- DOI:
- EISSN:
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2041-1723
- Language:
-
English
- Pubs id:
-
pubs:623574
- UUID:
-
uuid:45b65202-89f6-4de2-b7dc-ef4d5fa5bd10
- Local pid:
-
pubs:623574
- Source identifiers:
-
623574
- Deposit date:
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2016-05-23
Terms of use
- Copyright holder:
- Ciricosta et al
- Copyright date:
- 2016
- Rights statement:
- This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
- Licence:
- CC Attribution (CC BY)
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