Experimental Realization of an Exact Solution to the Vlasov Equations for an Expanding Plasma

Details Experimental Realization of an Exact Solution to the Vlasov Equations for an Expanding Plasma Experimental Realization of an Exact Solution to the Vlasov Equations for an Expanding Plasma

2007-05-21

arxiv.org/abs/0705.3056v1

Physics

Plasma Physics

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.99.155001

We study the expansion of ultracold neutral plasmas in the regime in which inelastic collisions are negligible. The plasma expands due to the thermal pressure of the electrons, and for an initial spherically symmetric Gaussian density profle, the expansion is self-similar. Measurements of the plasma size and ion kinetic energy using fluorescence imaging and spectroscopy show that the expansion follows an analytic solution of the Vlasov equations for an adiabatically expanding plasma.

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