Journal of Plasma Physics

Research Article

The expansion of a plasma into a vacuum

J. E. Crowa1, P. L. Auera2 and J. E. Allena3

a1 The Atlas Computer Laboratory, Chilton

a2 Laboratory of Plasma Studies, Cornell University

a3 Department of Engineering Science and University College, Oxford


This paper reports calculations of the collision-free expansion of a semi-infinite plasma. It is shown that the ion front is accelerated to velocities comparable with the thermal velocity of the electrons.

(Received September 27 1974)