TITLE

On reflection of solitary waves in a magnetized multicomponent plasma with nonisothermal electrons

AUTHOR(S)
Malik, Hitendra K.; Singh, Dhananjay K.; Nishida, Yasushi
PUB. DATE
July 2009
SOURCE
Physics of Plasmas;Jul2009, Vol. 16 Issue 7, p072112
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Reflection of ion acoustic solitary waves is studied in a magnetized inhomogeneous multicomponent plasma with positive ions, negative ions, and two temperature nonisothermal electrons. Relevant modified Korteweg–de Vries (mKdV) equations corresponding to two oppositely moving solitary waves are coupled to obtain a variable coefficient coupled mKdV equation, which is solved by finding some transformations to investigate the characteristics of the reflected soliton. The reflection of the soliton is possible only when the magnetic field is applied at an angle θ that remains below certain critical value, which shows strong dependence on the concentration and temperature of nonisothermal electrons in addition to the negative ion density. The present plasma model supports compressive solitons only, which reflect strongly in the presence of low temperature electron component in the plasma and are found to downshift after the reflection.
ACCESSION #
43493786

 

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