Observations of plasmons in warm dense matter

被引：422
|
作者：
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.
机构：
[1] Lawrence Livermore Natl Lab, Livermore, CA 94551 USA
[2] Rutherford Appleton Lab, LRC, Didcot OX11 0QX, Oxon, England
[3] Univ Oxford, Clarendon Lab, Oxford OX1 3PU, England
[4] Univ Rostock, Inst Phys, D-18051 Rostock, Germany
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 06期
关键词：
D O I：
10.1103/PhysRevLett.98.065002
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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.
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页数：4
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