Volume 98, Number 5, June 2012
|Number of page(s)||5|
|Section||Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics|
|Published online||12 June 2012|
Rarefaction shock waves in collisionless plasma with an electron beam
Department of Physics, Technion - Haifa 32000, Israel
2 Department of Civil Engineering, Technion - Haifa 32000, Israel
Accepted: 18 May 2012
We show that an electron beam passing through a collisionless plasma of “cold” ions and “hot” Boltzmann electrons can give rise to the propagation of supersonic ion-acoustic rarefaction shock waves. These waves are analogous to those predicted by Zeldovich (Zh. Eksp. Teor. Fiz., 16 (1946) 363) in gas dynamics and complementary to the ion-acoustic compression shock waves in the collisionless plasma described by Sagdeev (Rev. Plasma Phys., 4 (1966) 23).
PACS: 47.40.-x – Compressible flows; shock waves / 52.35.Tc – Shock waves and discontinuities
© EPLA, 2012
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