Abstract
Nonlinear propagation of two dimensional dust-acoustic solitary waves in a magnetized quantum dusty plasma whose constituents are electrons, ions, and negatively charged heavy dust particles are investigated using quantum hydrodynamic model. The Zakharov-Kuznetsov (ZK) equation is derived by using reductive perturbation technique (RPT). The higher order inhomogeneous ZK-type differential equation is obtained for the correction to ZK- soliton. The dynamical equation for dressed soliton is solved by using renormalization method. The effects of obliqueness (l x ) of the wave vector, magnetic field strength (B 0), quantum parameter for ions (H i ), soliton velocity (θ) and Fermi temperature ratio (σ) on amplitudes and widths of the ZK-soliton and as well as of the dressed soliton are investigated. The conditions for the validity of the higher order correction are described. Suitable parameter ranges for the existence of compressive and rarefactive dressed solitons are also discussed.
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One of the authors, M.K.G is grateful to thank the University grants commission for releasing the fund grants F.PSW-003/11-12 ERO for the purpose of MRP(S) and we also express our gratitude to the respected referee for valuable and useful comments.
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Ghorui, M.K., Mondal, G. & Chatterjee, P. Higher order corrections to dust-acoustic ZK-solitons in a magnetized quantum dusty plasma. Astrophys Space Sci 346, 191–201 (2013). https://doi.org/10.1007/s10509-013-1438-x
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DOI: https://doi.org/10.1007/s10509-013-1438-x