| Quintic Nonlinearity Induced Solitary Waves in Plasma Physics |
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| 作者姓名： | 刘红 贺贤士 |
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| 作者单位： | [1]DepartmentofPhysics,ShanghaiJiaoTongUniversity,Shanghai200030 [2]InstituteofAppliedPhysicsandComputationalMathematics,P.O.Box8009,Beijing100088 |
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| 摘 要： | The quintic nonlinearity is important in the study of the nonlinear interaction between Langmuir waves and electrons in plasma.Using the pseudoenergy approach,five types of solitary wave solution are obtained explicitly. Only one of these is the modification of the soliton of the cubic nonlinear Schrodinger equation and can be treated perturbatively.However,other four types of solitary wave solution are all induced by the quintic nonlinearity and cannot be treated perturbatively from the solutions of the cubic nonlinear Schrodinger equation.
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| 关 键 词： | 等离子体物理 五次非线性 孤子波 |
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