Modeling of laser induced plasma expansion in the presence of non-Maxwellian electrons

Journal Article · Thu Jul 15 04:00:00 EDT 2010 · Physics of Plasmas

DOI:https://doi.org/10.1063/1.3458671· OSTI ID:21389155

Bennaceur-Doumaz, D ^[1]; Djebli, M ^[1]

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1. Centre de Developpement des Technologies Avancees, B.P. 17 Baba Hassen, 16303 Algiers (Algeria)

The one-dimensional expansion into vacuum of ion-electron plasma produced by laser ablation is investigated. The ions considered as an ideal fluid are governed by a fluid model where charge quasineutrality is assumed to prevail, while electron density follows a non-Maxwellian distribution. Showing that the expansion can be described by a self-similar solution, the resulting nonlinear Euler equations are solved numerically. It is found that the deviation of the electrons from Maxwellian distribution gives rise to new asymptotic solutions of physical interest affecting the density and velocity of plasma expansion.

• OSTI ID: 21389155
• Journal Information: Physics of Plasmas, Journal Name: Physics of Plasmas Journal Issue: 7 Vol. 17; ISSN PHPAEN; ISSN 1070-664X
• Country of Publication: United States
• Language: English

Related Subjects

70 PLASMA PHYSICS AND FUSION TECHNOLOGY
ABLATION
ASYMPTOTIC SOLUTIONS
CHARGED PARTICLES
ELECTRONS
ELEMENTARY PARTICLES
EXPANSION
FERMIONS
FLUID FLOW
IDEAL FLOW
INCOMPRESSIBLE FLOW
IONS
LASER-PRODUCED PLASMA
LASERS
LEPTONS
MATHEMATICAL SOLUTIONS
PLASMA
PLASMA DENSITY
PLASMA EXPANSION
SIMULATION
STEADY FLOW