REFLECTION OF ION ACOUSTIC SOLITARY WAVES IN A DUSTY PLASMA WITH VARIABLE CHARGE DUST

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TOMAR RENU; MALIK HITENDRA K.; DAHIYA RAJ P.

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Journal: JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL) Year:2014 | Volume:8 | Issue:2 Page(s): 0-0

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Title

REFLECTION OF ION ACOUSTIC SOLITARY WAVES IN A DUSTY PLASMA WITH VARIABLE CHARGE DUST

Author(s)

TOMAR RENU | MALIK HITENDRA K. | DAHIYA RAJ P. | Issue Writer Certificate

Keywords

DUST CHARGE FLUCTUATION

DUSTY PLASMA

MAGNETIC FIELD

MODIFIED KDV EQUATION

REFLECTION COEFFICIENT

SOLUTION REFLECTION

Abstract

An inhomogeneous plasma comprising ions, two temperature electrons and dust grains with variable charge is explored for its unperturbed state for ions’ drift due to density gradient and perturbed state for the evolution of ion acoustic solitary waves and their reflection under the effect of an external MAGNETIC FIELD. The ion drift velocity is found to depend on the plasma parameters and MAGNETIC FIELD. The perturbed state of plasma supports two types of ion acoustic waves, which evolve into fast and slow compressive solitary structures under certain conditions.However, only the fast solitary wave is observed to be reflected and acquired opposite polarity to that of the incident solitary wave. The solitary waves are found to be downshifted after their reflection. The REFLECTION COEFFICIENT acquires higher values in the case of dust grains of fixed charge in comparison with the case of fluctuating charge on the dust grains. It means the reflection becomes stronger when the charge on the dust grains does not fluctuate and remains fixed. The effect of dust grain density is to enhance the amplitude of solitary waves but to weaken their reflection. The amplitudes of both the incident and reflected solitons remain higher for the case of fluctuating charge on the dust grains in comparison with the case of fixed charge. The effective temperature of the plasma is also found to alter the solitary structures significantly in the case of dust grains having fluctuating charge.

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APA: Copy

TOMAR, RENU, MALIK, HITENDRA K., & DAHIYA, RAJ P.. (2014). REFLECTION OF ION ACOUSTIC SOLITARY WAVES IN A DUSTY PLASMA WITH VARIABLE CHARGE DUST. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), 8(2), 0-0. SID. https://sid.ir/paper/318796/en

Vancouver: Copy

TOMAR RENU, MALIK HITENDRA K., DAHIYA RAJ P.. REFLECTION OF ION ACOUSTIC SOLITARY WAVES IN A DUSTY PLASMA WITH VARIABLE CHARGE DUST. JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL)[Internet]. 2014;8(2):0-0. Available from: https://sid.ir/paper/318796/en

IEEE: Copy

RENU TOMAR, HITENDRA K. MALIK, and RAJ P. DAHIYA, “REFLECTION OF ION ACOUSTIC SOLITARY WAVES IN A DUSTY PLASMA WITH VARIABLE CHARGE DUST,” JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), vol. 8, no. 2, pp. 0–0, 2014, [Online]. Available: https://sid.ir/paper/318796/en

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