The Effect of Neutral Atoms on Capillary Discharge Z-pinch

Abstract

We study the effect of neutral atoms on the dynamics of a capillary discharge Z-pinch, in a regime for which a large soft-x-ray amplification has been demonstrated. We extended the commonly used one-fluid magneto-hydrodynamics (MHD) model by separating out the neutral atoms as a second fluid. Numerical calculations using this extended model yield new predictions for the dynamics of the pinch collapse, and better agreement with known measured data.

arXiv comment4 pages, 4 postscript figures, to be published in Phys. Rev. Lett

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