Ultracold neutral plasma expansion in two dimensions
E. A. Cummings, J. E. Daily, D. S. Durfee, S. D. Bergeson
Abstract
We extend an isothermal thermal model of ultracold neutral plasma expansion to systems without spherical symmetry, and use this model to interpret new fluorescence measurements on these plasmas. By assuming a self-similar expansion, it is possible to solve the fluid equations analytically and to include velocity effects to predict the fluorescence signals. In spite of the simplicity of this approach, the model reproduces the major features of the experimental data.
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