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|Title:||Effect of electron and ion temperature ratio on Kinetic Alfven wave with homogeneous plasma by kinetic approach|
Tiwari, M S
|Keywords:||Kinetic Alfven wave;Kinetic approach;Auroral acceleration region;Earth’s magnetosphere;Plasma waves|
|Abstract:||The kinetic Alfven wave (KAW) has been studied by kinetic approach using Maxwell-Boltzmann-Vlasov equation to evaluate the kinetic dispersion relation and damping rate with electron and ion temperature ratio in homogeneous plasma for both the regions ki<1 and ki>1, in the auroral acceleration region, here k is the perpendicular wave number and i is the ion gyro radius. Many auroral and sub-auroral phenomena are the manifestations of an underlying magnetosphere-ionosphere coupling. This model is able to explain many features observed in auroral acceleration region as well as to evaluate the dispersion relation, growth rate, growth length and damping rate of kinetic Alfven wave. The applicability of this model is assumed for auroral acceleration region and plasma sheet boundary layer region.|
|ISSN:||0975-1041 (Online); 0019-5596 (Print)|
|Appears in Collections:||IJPAP Vol.49(02) [February 2011]|
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