Dissipative dark solitons in a dc complex plasma
Max-Planck-Institut für extraterrestrische Physik - 85741 Garching, Germany, EU
2 Joint Institute for High Temperatures, Russian Academy of Sciences - 125412 Moscow, Russia
Corresponding author: firstname.lastname@example.org
Accepted: 23 December 2009
The observation of dark solitons in a three-dimensional dc complex plasma is presented. The experiments are performed using neon gas at a pressure of 18 Pa and melamine-formaldehyde particles with a diameter of 3.43 μm. The waves are excited by a short pulse produced by the circular electrical-manipulative electrode built in inside the discharge glass tube. The wave speed is measured to be of the order of 15 mm/s. The propagation time of the observed dark soliton is approximately 10–15 times longer than the damping time.
PACS: 52.27.Lw – Dusty or complex plasmas; plasma crystals / 52.35.Mw – Nonlinear phenomena: waves, wave propagation, and other interactions (including parametric effects, mode coupling, ponderomotive effects, etc.) / 52.35.Sb – Solitons; BGK modes
© EPLA, 2010