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Diamagnetic drift instabilities in collisional non-uniform quantum dusty magnetoplasmas
Jamil, M.; Uzma, Ch.; Zubia, K.; Zeba, I.; Rafique, H. M.; Salimullah, M.; Salimullah
AA(Department of Physics, GC University, Lahore-54000, Pakistan ()), AB(Department of Physics, GC University, Lahore-54000, Pakistan ()), AC(Department of Physics, GC University, Lahore-54000, Pakistan ()), AD(Department of Physics, GC University, Lahore-54000, Pakistan ()), AE(Department of Physics, University of the Punjab, Lahore-54000, Pakistan), AF(Department of Physics, Jahangirnagar University, Savar, Dhaka-1342, Bangladesh), AG()
Journal of Plasma Physics, Volume 78, Issue 6, pp. 589-593
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(c) 2012: Copyright © Cambridge University Press 2012
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Dust-acoustic and dust-lower-hybrid diamagnetic drift wave instabilities have been examined in a collisional non-uniform quantum dusty magnetoplasma. The dust-acoustic drift instability arises through the Fermi degenerate pressure of electrons for a high-density plasma, while for a relatively low-density collisional quantum plasma and short wavelength consideration, the instability is dominated by the Bohm potential effect exciting a new quantum dust-acoustic wave. In the long-range wavelength limit, dust-lower-hybrid waves are found to be unstable because of the diamagnetic drift of magnetized ions. Various possible instability conditions are found for diamagnetic drift instability.
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