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Information Journal Paper

Title

EFFECT OF OBLIQUENESS AND EXTERNAL MAGNETIC FIELD ON THE CHARACTERISTICS OF DUST ACOUSTIC SOLITARY WAVES IN DUSTY PLASMA WITH TWO-TEMPERATURE NONTHERMAL IONS (ORIGINAL RESEARCH)

Pages

  141-150

Abstract

 In this paper, a theoretical investigation has been made of obliquely propagating dust acoustic solitary wave (DASW) structures in a cold MAGNETIZED DUSTY PLASMA consisting of a negatively charged dust fluid, electrons, and two different types of NONTHERMAL IONs. The Zakharov–Kuznetsov (ZK) and modified Zakharov–Kuznetsov (MZK) equations, describing the small but finite amplitude DASWs, are derived using a REDUCTIVE PERTURBATION METHOD. The combined effects of the external magnetic field, obliqueness (i.e. the propagation angle), and the presence of second component of NONTHERMAL IONs, which are found to significantly modify the basic features (viz. amplitude, width, polarity) of DASWs, are explicitly examined. The results show that the external magnetic field, the propagation angle, and the second component of NONTHERMAL IONs have strong effects on the properties of dust acoustic solitary structures. The solitary waves may become associated with either positive potential or negative potential in this model. As the angle between the direction of external magnetic field and the propagation direction of solitary wave increases, the amplitude of the solitary wave (for both positive potential and negative potential) increases. With changing this angle, the width of solitary wave shows a maximum. The magnitude of the external magnetic field has no direct effect on the solitary wave amplitude. However, with decreasing the strength of magnetic field, the width of DASW increases.

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    APA: Copy

    SABETKAR, AKBAR, & DORRANIAN, DAVOUD. (2015). EFFECT OF OBLIQUENESS AND EXTERNAL MAGNETIC FIELD ON THE CHARACTERISTICS OF DUST ACOUSTIC SOLITARY WAVES IN DUSTY PLASMA WITH TWO-TEMPERATURE NONTHERMAL IONS (ORIGINAL RESEARCH). JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), 9(2), 141-150. SID. https://sid.ir/paper/318851/en

    Vancouver: Copy

    SABETKAR AKBAR, DORRANIAN DAVOUD. EFFECT OF OBLIQUENESS AND EXTERNAL MAGNETIC FIELD ON THE CHARACTERISTICS OF DUST ACOUSTIC SOLITARY WAVES IN DUSTY PLASMA WITH TWO-TEMPERATURE NONTHERMAL IONS (ORIGINAL RESEARCH). JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL)[Internet]. 2015;9(2):141-150. Available from: https://sid.ir/paper/318851/en

    IEEE: Copy

    AKBAR SABETKAR, and DAVOUD DORRANIAN, “EFFECT OF OBLIQUENESS AND EXTERNAL MAGNETIC FIELD ON THE CHARACTERISTICS OF DUST ACOUSTIC SOLITARY WAVES IN DUSTY PLASMA WITH TWO-TEMPERATURE NONTHERMAL IONS (ORIGINAL RESEARCH),” JOURNAL OF THEORETICAL AND APPLIED PHYSICS (IRANIAN PHYSICAL JOURNAL), vol. 9, no. 2, pp. 141–150, 2015, [Online]. Available: https://sid.ir/paper/318851/en

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