Jeans instability and hydrodynamic roots of Landau damping

Jeans instability and hydrodynamic roots of Landau damping

A Ershkovich1, A Kiv2
COMPUTER MODELLING & NEW TECHNOLOGIES 2016 20(1) 25-26

1Tel Aviv University, Ramat Aviv, Israel
2Ben-Gurion University, Beer-Sheva, Israel

Landau damping of Langmuir waves is shown to have hydrodynamic roots, and, in principle, might have been predicted (along with Langmuir waves) several decades earlier, soon after Jeans (1902) paper appeared.