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%20%20%20%20Ion-acoustic%20Double%20Layer%20in%20a%20Multicomponent%20Plasma%20with%20Two%20Types%20of%20Positive%20Ions%20and%20Two-temperature%20Isothermal%20Electrons
Research article
  

Ion-acoustic Double Layer in a Multicomponent Plasma with Two Types of Positive Ions and Two-temperature Isothermal Electrons


Basudev Ghosh1, Sreyasi Banerjee

1. Department of Physics, Jadavpur University, Kolkata-700032, India.
2. Department of Electronics, Vidyasagar College,Kolkata, India


Corresponding author :

Basudev Ghosh,
Email:

Received: December 15, 2014,   Accepted: January 29, 2015,   Published:


Abstract:

Using integral form of governing equations in terms of pseudo potential ion-acoustic double-layers have been investigated theoretically in a multicomponent plasma consisting of two types of cold positive ions and two- temperature isothermal electrons. The mathematical technique used here has advantage over other conventional methods to study higher order nonlinear and dispersive effects on double layer formation. Conditions are obtained for the existence of ion-acoustic double-layers in the studied plasma. The effects of temperature and density ratios of the two types of electrons and the ratio of masses of the two types of positive ions on the double-layer formation and structure are also investigated. They are shown to have significant effects on the excitation and structure of the double-layers. The importance of this investigation has also been pointed out.


Keywords: Double layer; Multicomponent plasma; Two-temperature electrons


Citation:

Basudev Ghosh. et al.. (2015) Ion-acoustic Double Layer in a Multicomponent Plasma with Two Types of Positive Ions and Two-temperature Isothermal Electrons. j. of Physical and Chemical Sciences.V2I3. DOI: 10.15297/JPCS.V2I3.01


Copyright:

© 2015 Basudev Ghosh. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


      
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      Journal of Physical and Chemical Sciences