| Conservation Laws in sine—Gordon Equation |
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| 引用本文： | 史丽娜,李承芳,黄念宁.Conservation Laws in sine—Gordon Equation[J].中国物理快报,2003,20(7):1003-1005. |
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| 作者姓名： | 史丽娜 李承芳 黄念宁 |
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| 作者单位： | DepartmentofPhysics,WuhanUniversity,Wuhan430072 |
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| 摘 要： | There are two conservation quantities needed to derive conservation laws of sine-Gordon equation in a frame of laboratory reference.one of them could be derived easily with a standard process,but the other could not .After the gauge transformation e^-iθσ2/2is introduced,we simply obtain the other one without any questionable assumption.
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| 关 键 词： | 正弦戈登方程 正弦Gordon方程 守恒定律 守恒量 完全可积分性 非线性方程 哈密顿系统 |
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