Oblique collision effects on nonlinear quantum dust-acoustic solitary waves in magnetized dense dusty plasmas |
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Authors: | S. K. El-Labany E. F. El-Shamy S. K. El-Sherbeny |
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Affiliation: | 1. Theoretical Physics Group, Physics Department, Faculty of Science, Damietta University, New Damietta, 34517, Damietta, Egypt
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Abstract: | The oblique collision of nonlinear quantum dust-acoustic (NQDA) solitary waves in a three-dimensional (3D) magnetized dense dusty plasma is investigated. Furthermore, two coupled Kortwege–de Vries equations for describing our model and the analytical phase shifts after the oblique collision of two NQDA solitary waves are derived using the extended Poincaré–Lighthill–Kuo (PLK) method. The modification in the phase shift and the trajectory of the NQDA solitary waves structures due to the inclusion of oblique collision and external magnetic field are discussed numerically. The numerical results are applied to high density astrophysical situations such as in superdense white dwarfs. |
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