Hydrogen line broadening in Dense Plasmas: Important physics

The task of calculating line-shapes in ultra-dense fusion type plasmas is discussed. The application of line-broadening theory to derive a consistent formulation for ionized emitters including ion dynamics, Debye shifts and perturber-ion correlations is outlined. The difficulties in extending the standard theories are explored with special emphasis given to the modifications necessary to treat the cases which occur in the experimental situations. Preliminary results will be presented.

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Quantum-statistical T-matrix approach to line broadening of hydrogen in dense plasmas

10.1063/1.3517588 ◽

2010 ◽

Cited By ~ 8

Author(s):

Sonja Lorenzen ◽

August Wierling ◽

Heidi Reinholz ◽

Gerd Röpke ◽

Mark C. Zammit ◽

...

Keyword(s):

Matrix Approach ◽

Line Broadening ◽

Dense Plasmas ◽

T Matrix ◽

Quantum Statistical

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Spectral Line Broadening in Dense Plasmas

Journal of Atomic Molecular and Optical Physics ◽

10.1155/2011/850807 ◽

2011 ◽

Vol 2011 ◽

pp. 1-8 ◽

Cited By ~ 3

Author(s):

Banaz Omar

Keyword(s):

Spectral Line ◽

Stark Effect ◽

Theoretical Data ◽

Correlation Effect ◽

Line Broadening ◽

Dense Plasmas ◽

Quasistatic Approximation ◽

Dynamic Screening ◽

Spectral Line Broadening ◽

Good Agreement

Spectral line broadening is calculated based on a microscopic quantum statistical approach. By using thermodynamic Green's function, plasma correlation effect, electrostatic and dynamic screening, and perturber-radiator interaction are taken into account. Ions are treated in quasistatic approximation due to Stark effect. The line broadening for 6678 Å (21P-31D) and 5016 Å (21S-31P) transitions of neutral helium is calculated in the electron density range ne=(0.25–50)×1022 m-3 and temperature range T=(0.5–4)×104 K, and the density and temperature dependence of the line width are investigated. A good agreement is shown by comparing the calculated values with the existing experimental and theoretical data.

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Quasimolecules and spectral line broadening in dense plasmas

10.1063/1.51809 ◽

1997 ◽

Author(s):

J. P. Arranz ◽

J. Butaux ◽

H. Nguyen ◽

A. Reggadi

Keyword(s):

Spectral Line ◽

Line Broadening ◽

Dense Plasmas ◽

Spectral Line Broadening

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Line Broadening and Merging in Dense Plasmas

Proceedings Seventh International Conference Aussois, France, June 11–15, 1984 ◽

10.1515/9783110885033-036 ◽

1985 ◽

pp. 209-236

Keyword(s):

Line Broadening ◽

Dense Plasmas

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A simplified approach to line broadening in dense plasmas

Journal of Physics A General Physics ◽

10.1088/0305-4470/36/22/331 ◽

2003 ◽

Vol 36 (22) ◽

pp. 6063-6068 ◽

Cited By ~ 1

Author(s):

G Hazak ◽

J Oreg ◽

A Bar Shalom

Keyword(s):

Line Broadening ◽

Simplified Approach ◽

Dense Plasmas

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Spectroscopic analysis of hot dense plasmas: A focus on ion dynamics

Laser and Particle Beams ◽

10.1017/s0263034600010429 ◽

1996 ◽

Vol 14 (4) ◽

pp. 713-730 ◽

Cited By ~ 2

Author(s):

C.F. Hooper ◽

D.A. Haynes ◽

D.T. Garber ◽

R.C. Mancini ◽

Y.T. Lee ◽

...

Keyword(s):

Spectroscopic Analysis ◽

Standard Theory ◽

Combined Effects ◽

Ion Dynamics ◽

Line Profiles ◽

Line Broadening ◽

Dense Plasmas ◽

Plasma Line ◽

On Line ◽

The University

A brief discussion of the standard theory of line broadening is presented together with an analysis of selected laser-driven implosion experiments. The effect of improved theoretical procedures on experimental analysis is discussed. In particular, we consider the combined effects of ion dynamics and opacity on line profiles used in the analysis of these plasmas. The experiments discussed were performed at the University of Rochester Laboratory for Laser Energetics (LLE). The results presented in this paper illustrate the usefulness of plasma line broadening in diagnosing hot dense plasmas and in understanding fundamental plasma processes.

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