Observations of Plasmons in Warm Dense Matter

Journal Article · Fri Feb 09 00:00:00 EST 2007 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.98.065002· OSTI ID:20955450

Glenzer, S H; Landen, O L; Neumayer, P; Lee, R W; Widmann, K; Pollaine, S W; Wallace, R J; Gregori, G; Hoell, A; Bornath, T; Thiele, R; Schwarz, V; Kraeft, W -D; Redmer, R ^[1]

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1. L-399, Lawrence Livermore National Laboratory, University of California, P.O. Box 808, Livermore, California 94551 (United States)

We present the first collective x-ray scattering measurements of plasmons in solid-density plasmas. The forward scattering spectra of a laser-produced narrow-band x-ray line from isochorically heated beryllium show that the plasmon frequency is a sensitive measure of the electron density. Dynamic structure calculations that include collisions and detailed balance match the measured plasmon spectrum indicating that this technique will enable new applications to determine the equation of state and compressibility of dense matter.

• OSTI ID: 20955450
• Journal Information: Physical Review Letters, Vol. 98, Issue 6; Other Information: DOI: 10.1103/PhysRevLett.98.065002; (c) 2007 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
BERYLLIUM
COMPRESSIBILITY
ELECTRON DENSITY
EQUATIONS OF STATE
LASERS
MATTER
PLASMA DENSITY
PLASMONS
SPECTRA
X-RAY DIFFRACTION