Characteristics of ion-acoustic solitary wave in a laboratory dusty plasma under the influence of ion-beam

doi:https://doi.org/10.1063/1.4757217

Title: Characteristics of ion-acoustic solitary wave in a laboratory dusty plasma under the influence of ion-beam

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Abstract

We study the influence of ion beam and charged dust impurity on the propagation of dust ion-acoustic solitary wave in an unmagnetized plasma consisting of Boltzmann distributed electrons, positive ions, positive ion beam, and negatively charged immobile dusts in a double plasma device. On interacting with an ion beam, the solitary wave is bifurcated into a compressive fast and a rarefactive slow beam mode, and appears along with the primary wave. However, there exists a critical velocity of the beam beyond which the amplitude of the fast solitary wave starts diminishing and rarefactive slow beam mode propagates with growing amplitude. Whereas, the presence of charged dust impurity in the plasma reduces this critical beam velocity and a substantial modification in the phase velocity of the slow beam mode is observed with increasing dust density. Furthermore, the nonlinear wave velocity (Mach number) as well as the width of the compressive solitons are measured for different beam velocity and dust density, and are compared with those obtained from the K-dV equation. The experimental results are found in a well agreement with the theoretical predictions.

Authors:

Deka, M K; Adhikary, N C; Bailung, H ^[1]; Misra, A P ^[2]; Nakamura, Y ^[3]

Physical Sciences Division, Institute of Advanced Study in Science and Technology, Vigyan Path, Paschim Boragaon, Garchuk, Guwahati 781035, Assam (India)
Department of Mathematics, Siksha Bhavana, Visva-Bharati University, Santiniketan 731 235 (India)
Department of Physics, Faculty of Engineering, Yokohama National University, 79-5 Tokiwadai, Hodogaya-ku, Yokohama 240-8501 (Japan)

Publication Date:: 2012-10-15

OSTI Identifier:: 22068857

Resource Type:: Journal Article

Journal Name:: Physics of Plasmas

Additional Journal Information:: Journal Volume: 19; Journal Issue: 10; Other Information: (c) 2012 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 1070-664X

Country of Publication:: United States

Language:: English

Subject:: 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; BEAM-PLASMA SYSTEMS; CATIONS; CRITICAL VELOCITY; DUSTS; ION ACOUSTIC WAVES; ION BEAMS; KORTEWEG-DE VRIES EQUATION; MACH NUMBER; NONLINEAR PROBLEMS; OPEN PLASMA DEVICES; PHASE VELOCITY; PLASMA IMPURITIES; SOLITONS

Citation Formats


                    Deka, M K, Adhikary, N C, Bailung, H, Misra, A P, and Nakamura, Y. Characteristics of ion-acoustic solitary wave in a laboratory dusty plasma under the influence of ion-beam.  United States: N. p., 2012. 
        Web.  doi:10.1063/1.4757217.

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                    Deka, M K, Adhikary, N C, Bailung, H, Misra, A P, & Nakamura, Y. Characteristics of ion-acoustic solitary wave in a laboratory dusty plasma under the influence of ion-beam.  United States.  https://doi.org/10.1063/1.4757217

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                    Deka, M K, Adhikary, N C, Bailung, H, Misra, A P, and Nakamura, Y. Mon .  
        "Characteristics of ion-acoustic solitary wave in a laboratory dusty plasma under the influence of ion-beam".  United States.  https://doi.org/10.1063/1.4757217.

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@article{osti_22068857,

  title        = {Characteristics of ion-acoustic solitary wave in a laboratory dusty plasma under the influence of ion-beam},

  author       = {Deka, M K and Adhikary, N C and Bailung, H and Misra, A P and Nakamura, Y},

  abstractNote = {We study the influence of ion beam and charged dust impurity on the propagation of dust ion-acoustic solitary wave in an unmagnetized plasma consisting of Boltzmann distributed electrons, positive ions, positive ion beam, and negatively charged immobile dusts in a double plasma device. On interacting with an ion beam, the solitary wave is bifurcated into a compressive fast and a rarefactive slow beam mode, and appears along with the primary wave. However, there exists a critical velocity of the beam beyond which the amplitude of the fast solitary wave starts diminishing and rarefactive slow beam mode propagates with growing amplitude. Whereas, the presence of charged dust impurity in the plasma reduces this critical beam velocity and a substantial modification in the phase velocity of the slow beam mode is observed with increasing dust density. Furthermore, the nonlinear wave velocity (Mach number) as well as the width of the compressive solitons are measured for different beam velocity and dust density, and are compared with those obtained from the K-dV equation. The experimental results are found in a well agreement with the theoretical predictions.},

  doi          = {10.1063/1.4757217},

  url          = {https://www.osti.gov/biblio/22068857},
  journal      = {Physics of Plasmas},

  issn         = {1070-664X},

  number       = 10,

  volume       = 19,

  place        = {United States},

  year         = {2012},

  month        = {10}

}

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