Dust Acoustic Compressive Waves in a Warm Dusty Plasma Having Non-Thermal Ions and Non-Isothermal Electrons

Apul N. DEV; Manoj K. DEKA; Rajesh SUBEDI; Jnanjyoti SARMA

doi:10.1088/1009-0630/17/9/01

Plasma Science and Technology > 2015 > 17(9): 721-727. > DOI: 10.1088/1009-0630/17/9/01

Apul N. DEV, Manoj K. DEKA, Rajesh SUBEDI, Jnanjyoti SARMA. Dust Acoustic Compressive Waves in a Warm Dusty Plasma Having Non-Thermal Ions and Non-Isothermal Electrons[J]. Plasma Science and Technology, 2015, 17(9): 721-727. DOI: 10.1088/1009-0630/17/9/01

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Dust Acoustic Compressive Waves in a Warm Dusty Plasma Having Non-Thermal Ions and Non-Isothermal Electrons

1Department of Science and Humanities, College of Science and Technology, Phuentsholing, Bhutan 2Department of Applied Sciences, Institute of Science and Technology, Gauhati University, Guwahati-781014, Assam, India 3Department of Mathematics, R. G. Baruah College, Guwahati-781025, Assam, India

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Received Date: December 18, 2014

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Abstract

Abstract

In this article an investigation is presented on the properties of dust acoustic (DA) compressive solitary wave propagation in an adiabatic dusty plasma, including the effect of non-thermal positive and negative ions and non-isothermal electrons. The reductive perturbation method has been employed to derive the lower degree modified Kadomtsev-Petviashivili (mK-P), 3D Schamel-Korteweg-de-Vries equation or modified Kadomtsev-Petviashivili (mK-P) equations for dust acoustic solitary waves in a homogeneous, unmagnetized and collisionless plasma whose constituents are non-isothermal electrons, singly charged positive and negative non-thermal ions and massive charged dust particles. The stationary analytical solutions of the lower degree mK-P and mK-P equations are numerically analyzed, where the e?ect of various dusty plasma con?stituents on DA solitary wave propagation is taken into account. It is observed that both the ions in dusty plasma play a key role in the formation of DA compressive solitary waves, and also the ion concentration and non-isothermal electrons control the transformation of the compressive potentials of the waves.
- dusty plasma,
- reductive perturbation method,
- non-isothermal ions,
- compres?sive solitary wave

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References

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