scholarly journals Weakly nonlinear vertical dust grain oscillations in dusty plasma crystals in the presence of a magnetic field

2004 ◽  
Vol 11 (7) ◽  
pp. 3665-3671 ◽  
Author(s):  
I. Kourakis ◽  
P. K. Shukla
2000 ◽  
Vol 63 (2) ◽  
pp. 191-200 ◽  
Author(s):  
A. A. MAMUN ◽  
M. H. A. HASSAN

Effects of dust grain charge fluctuation, obliqueness and external magnetic field on a finite-amplitude dust acoustic solitary potential in a magnetized dusty plasma, consisting of electrons, ions and charge-fluctuating dust grains, are investigated using the reductive perturbation method. It is shown that such a magnetized dusty plasma system may support a dust acoustic solitary potential on a very slow time scale involving the motion of dust grains, whose charge is self- consistently determined by local electron and ion currents. The effects of dust grain charge fluctuation, external magnetic field and obliqueness are found to modify the properties of this dust acoustic solitary potential significantly. The implications of these results for some space and astrophysical dusty plasma systems, especially planetary ring systems and cometary tails, are briefly mentioned.


2021 ◽  
pp. 111640
Author(s):  
Alphonse Houwe ◽  
Souleymanou Abbagari ◽  
Mustafa Inc ◽  
Gambo Betchewe ◽  
Serge Y. Doka ◽  
...  

2018 ◽  
Vol 25 (12) ◽  
pp. 123701 ◽  
Author(s):  
A. B. Togueu Motcheyo ◽  
E. Nkendji Kenkeu ◽  
J. Djako ◽  
C. Tchawoua

In this paper we studied the weakly nonlinear stage of stationary convective instability in a nonuniformly rotating layer of an electrically conductive fluid in an axial uniform magnetic field under the influence of: a) temperature modulation of the layer boundaries; b) gravitational modulation; c) modulation of the magnetic field; d) modulation of the angular velocity of rotation. As a result of applying the method of perturbation theory for the small parameter of supercriticality of the stationary Rayleigh number nonlinear non-autonomous Ginzburg-Landau equations for the above types of modulation were obtaned. By utilizing the solution of the Ginzburg-Landau equation, we determined the dynamics of unsteady heat transfer for various types of modulation of external fields and for different profiles of the angular velocity of the rotation of electrically conductive fluid.


2019 ◽  
Vol 70 (3) ◽  
pp. 37-46
Author(s):  
R.U. Masheyeva ◽  
◽  
K.N. Dzhumagulova ◽  
E.O. Shalenov ◽  
◽  
...  

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