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Title: Observation of finite-wavelength screening in high-energy-density matter

Journal Article · · Nature Communications
DOI:https://doi.org/10.1038/ncomms7839· OSTI ID:1249388
 [1];  [2];  [3];  [4];  [5];  [5];  [6];  [3];  [7];  [8];  [5];  [5];  [5];  [5];  [4]
  1. Radiation Physics Dept. (United Kingdom); Univ. of Warwick (United Kingdom)
  2. Max-Planck-Institut fuer die Physik Komplexer Systeme, Dresden (Germany)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Univ. of Warwick (United Kingdom)
  5. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  6. Univ. of California, Berkeley, CA (United States)
  7. Univ. of Oxford (United Kingdom)
  8. Radiation Physics Dept. (United Kingdom)

A key component for the description of charged particle systems is the screening of the Coulomb interaction between charge carriers. First investigated in the 1920s by Debye and Huckel for electrolytes, charge screening is important for determining the structural and transport properties of matter as diverse as astrophysical and laboratory plasmas, nuclear matter such as quark-gluon plasmas, electrons in solids, planetary cores and charged macromolecules. For systems with negligible dynamics, screening is still mostly described using a Debye–Hückel-type approach. Here, we report the novel observation of a significant departure from the Debye–Hückel-type model in high-energy-density matter by probing laser-driven, shock-compressed plastic with high-energy X-rays. Furthermore, we use spectrally resolved X-ray scattering in a geometry that enables direct investigation of the screening cloud, and demonstrate that the observed elastic scattering amplitude is only well described within a more general approach.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States); Univ. of California, Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Fusion Energy Sciences (FES); USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC02-76SF00515; AC52-07NA27344; NA0000910
OSTI ID:
1249388
Alternate ID(s):
OSTI ID: 1305903; OSTI ID: 1334522
Report Number(s):
SLAC-REPRINT-2016-006; FWP-100182; LLNL-JRNL-700767
Journal Information:
Nature Communications, Vol. 6, Issue 6; ISSN 2041-1723
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 19 works
Citation information provided by
Web of Science

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Cited By (6)

Modelling ultrafast laser ablation journal April 2017
Quantum statistical approach for ionization potential depression in multi-component dense plasmas journal December 2019
Unified Concept of Effective One Component Plasma for Hot Dense Plasmas journal March 2016
A strong diffusive ion mode in dense ionized matter predicted by Langevin dynamics journal January 2017
Measurement of ionic structure in isochorically heated graphite from X-ray Thomson scattering journal February 2019
Theory of Thomson scattering in inhomogeneous media journal April 2016

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