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Bulgarian Journal of Physics
Print: 1310-0157 Online: 1314-2666
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RECOGNIZED BY THE EUROPEAN PHYSICAL SOCIETY 
Bulg. J. Phys. vol.37 no.1 (2010), pp. 16-23
Landau Damping of Ion-acoustic Waves in Multicomponent Plasma Doped with a Trace of Light Ions
S.N. Pau1, B. Paul2, C. Das2, S.K. Bhattacharya3, B. Ghosh4
1Swami Vivekananda Institute of Science and Technology, Dakshin Gobindapur, P.S.-Sonarpur, Kolkata-700 145 ,India
2Department of Physics, Uluberia College, District-Howrah, India
3Department of Physics, West Bengal Survey Institute, Dist-Hooghly, West Bengal, India
4Department of Physics Jadavpur University, Kolkata-700 032, India
go back1Swami Vivekananda Institute of Science and Technology, Dakshin Gobindapur, P.S.-Sonarpur, Kolkata-700 145 ,India
2Department of Physics, Uluberia College, District-Howrah, India
3Department of Physics, West Bengal Survey Institute, Dist-Hooghly, West Bengal, India
4Department of Physics Jadavpur University, Kolkata-700 032, India
Abstract. Using Boltzmann-Vlasov equations Landau damping of ion-acoustic waves has been theoretically investigated in a collisionless, partially ionized, unmagnetized multicomponent plasma of two heavy inert gases doped with a trace of light inert gas. It is shown that the damping rate is smaller when the doped plasma contains two heavy inert gases instead of one heavy inert gas.