Journal
NONLINEAR DYNAMICS
Volume 102, Issue 3, Pages 1787-1799Publisher
SPRINGER
DOI: 10.1007/s11071-020-06024-4
Keywords
Extended generalization of Vakhnenko equation (EGVE); Hirota bilinear method; GeneralN-order auxiliary function; Loop-like breather; Loop-like soliton; Interactions dynamics
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The main attention of this study is focused on the interaction dynamics of breather, and hybrid solitons and breather for an extended generalization of Vakhnenko equation. The general form of the N-order auxiliary function is first derived by the Hirota bilinear method. Then, the N-order solutions can be obtained. When N >= 2, the loop-like breather may emerge by taking the dispersion coefficients as conjugate complex number. The breather is like a magical spring with good elasticity, changeable period and thickness. Furthermore, novel interaction features between breathers, between soliton/solitons and breather/breathers, are observed by visualizing method. The results show that there are abundant dynamics during the interactions, such as elastic collision, phase shift, amplitude amplification, collapse and bulge effect.
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