N-Soliton Solutions in terms of Determinant and Inelastic Interaction for Volterra Lattice in Plasmas
首发时间:2012-05-16
Abstract:Volterra lattice can describe the Langmiuir waves in plasma dynamics. In this paper, Volterra lattice is investigated via Darboux transformation (DT) technique. N-fold DT and conservation laws for Volterra lattice are constructed basing on its Lax representation. N-soliton solutions in terms of determinant are derived with the resulting DT. Structures of the one-, two- and three-soliton solutions are shown graphically. Inelastic interaction phenomena between/among the two and three solitons are discussed for the Volterra lattice: solitonic shapes and amplitudes have changed after the interaction.
keywords: Volterra lattice N-fold Darboux transformation N-soliton solutions Conservation laws Symbolic computation
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Volterra晶格方程的行列式形式的N孤子解和非弹性作用
摘要:构建了Volterra晶格方程的Lax对,N波Darboux变换和无穷守恒律,通过应用Darboux变换,得到离散晶格方程的行列式形式的N孤子解,讨论了二孤子和三孤子之间的非弹性作用。
关键词: Volterra晶格方程 N波Darboux变换 N孤子解 守恒律 符号计算
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