Nonequilibrium Nonideal Nanoplasma Generated by a Fast Single Ion in Condensed Matter

A plasma model of relaxation of a medium in heavy ion tracks in condensed matter is proposed. The model is based on three assumptions: the Maxwell distribution of plasma electrons, localization of plasma inside the track nanochannel and constant values of the plasma electron density and temperature...

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Bibliographic Details
Main Authors: Faenov, Ya A, Lankin, A V, Morozov, I V, Norman, G E, Pikuz Jr, S A, Skobelev, Yu I
Format: Conference Proceeding
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
BOLTZMANN STATISTICS
CALCULATION METHODS
CHARGED PARTICLES
ELECTRON DENSITY
ELECTRON TEMPERATURE
ELECTRONS
ELEMENTARY PARTICLES
FERMIONS
HEAVY IONS
IONS
IRRADIATION
LEPTONS
MOLECULAR DYNAMICS METHOD
NON-EQUILIBRIUM PLASMA
PARTICLE TRACKS
PLASMA
PLASMA SIMULATION
RELAXATION
SIMULATION
SPECTRA
X-RAY SPECTRA
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Summary:A plasma model of relaxation of a medium in heavy ion tracks in condensed matter is proposed. The model is based on three assumptions: the Maxwell distribution of plasma electrons, localization of plasma inside the track nanochannel and constant values of the plasma electron density and temperature during the X-ray irradiation. It is demonstrated that the plasma relaxation model adequately describes the X-ray spectra observed upon interaction of a fast ion with condensed target. Preassumptions of plasma relaxation model are validated by the molecular dynamics modeling and simulation.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.3204542