| Effect of Higher-Order Terms on Nonlinear Schrodinger Dark Solitons in Optical Fibres |
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| 引用本文： | 敖胜美 颜家壬. Effect of Higher-Order Terms on Nonlinear Schrodinger Dark Solitons in Optical Fibres[J]. 中国物理快报, 2006, 23(10): 2774-2777 |
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| 作者姓名： | 敖胜美 颜家壬 |
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| 作者单位： | Department of Physics, Hunan Normal University, Changsha 410081 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 10375022 and the Education Department of Hunan Province under Grant No 05C414. |
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| 摘 要： | We solve the nonlinear Schrodinger equation with higher order terms, which describes the propagation of femtosecond pulses in optical fibres, by means of a direct perturbation method for dark solitons. An exact dark-soliton solution of the higher order nonlinear Schroedinger equation is found, provided that parameters satisfy certain conditions. The soliton＇s velocity with the high order effects as well as the formula for calculation of the first-order correction representing the perturbation-induced radiative field is presented.
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| 关 键 词： | 高阶项目 非线性Schrodinger模糊孤波 光纤 直接干扰法 |
| 收稿时间： | 2006-04-10 |
| 修稿时间： | 2006-04-10 |
Effect of Higher-Order Terms on Nonlinear Schrodinger Dark Solitons in Optical Fibres |
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| AO Sheng-Mei, YAN Jia-Ren. Effect of Higher-Order Terms on Nonlinear Schrodinger Dark Solitons in Optical Fibres[J]. Chinese Physics Letters, 2006, 23(10): 2774-2777 |
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| Authors: | AO Sheng-Mei YAN Jia-Ren |
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| Affiliation: | Department of Physics, Hunan Normal University, Changsha 410081 |
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