Evidence of short-range screening in shock-compressed aluminum plasma

We have investigated the angular variation in elastic x-ray scattering from a dense, laser-shock-compressed aluminum foil. A comparison of the experiment with simulations using an embedded atom potential in a molecular dynamics simulation shows a significantly better agreement than simulations based...

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Hlavní autoři: Garcia Saiz, E, Gregori, G, Khattak, F, Kohanoff, J, Sahoo, S, Naz, G, Bandyopadhyay, S, Notley, M, Weber, R, Riley, D
Médium: Journal article
Jazyk:English
Vydáno: 2008
Popis
Shrnutí:We have investigated the angular variation in elastic x-ray scattering from a dense, laser-shock-compressed aluminum foil. A comparison of the experiment with simulations using an embedded atom potential in a molecular dynamics simulation shows a significantly better agreement than simulations based on an unscreened one-component plasma model. These data illustrate, experimentally, the importance of screening for the dense plasma static structure factor. © 2008 The American Physical Society.