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带强迫项变系数组合KdV方程的无穷序列复合型类孤子新解

伊丽娜 套格图桑

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带强迫项变系数组合KdV方程的无穷序列复合型类孤子新解

伊丽娜, 套格图桑

New complex soliton-like solutions of combined KdV equation with variable coefficients and forced term

Yi Li-Na, Taogetusang
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  • 为了获得变系数非线性发展方程的无穷序列复合型新解,研究了[G()]/[G()] 展开法. 通过引入一种函数变换,把常系数二阶齐次线性常微分方程的求解问题转化为一元二次方程和Riccati方程的求解问题. 在此基础上,利用Riccati方程解的非线性叠加公式,获得了常系数二阶齐次线性常微分方程的无穷序列复合型新解. 借助这些复合型新解与符号计算系统Mathematica,构造了带强迫项变系数组合KdV方程的无穷序列复合型类孤子新精确解.
    The [G()]/[G()] expansion method is extensively studied to search for new infinite sequence of complex solutions to nonlinear evolution equations with variable coefficients. According to a function transformation, the solving of homogeneous linear ordinary differential equation with constant coefficients of second order can be changed into the solving of a one-unknown quadratic equation and the Riccati equation. Based on this, new infinite sequence complex solutions of homogeneous linear ordinary differential equation with constant coefficients of second order are obtained by the nonlinear superposition formula of the solutions to Riccati equation. By means of the new complex solutions, new infinite sequence complex soliton-like exact solutions to the combined KdV equation with variable coefficients and forced term are constructed with the help of symbolic computation system Mathematica.
    • 基金项目: 国家自然科学基金(批准号:11361040)、内蒙古自治区高等学校科学研究基金(批准号:NJZY12031)和内蒙古自治区自然科学基金(批准号:2010MS0111)资助的课题.
    • Funds: Project supported by the Natural Natural Science Foundation of China(Grant No. 11361040), the Science Research Foundation of Institution of Higher Education of Inner Mongolia Autonomous Region, China(Grant No. NJZY12031), and the Natural Science Foundation of Inner Mongolia Autonomous Region, China(Grant No. 2010MS0111).
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    Mustafa Inca, Esma Ulutas, Anjan Biswasc 2013 Chin. Phys. B 22 060204

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    Sirendaoreji, Sun J 2003 Phys. Lett. A309 387

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    Khaled A. Gepreel, Saleh Omran 2012 Chin. Phys. B 21 110204

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    Zhang S 2007 Phys. Lett. A 368 470

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    Shi L F, Chen C S, Zhou X C 2011 Chin. Phys. B 20 100507

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    Qiang J Y, Ma S H, Fang J P 2010 Chin. Phys. B 19 090305

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    Wang M L 1995 Phys. Lett. A199 169

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    Wang M L, Zhou Y B, Li Z B 1996 Phys. Lett. A216 67

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    Wang M L, Li X Z, Zhang J L 2008 Phys. Lett. A372 417

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    Fu Z T, Liu S K, Liu S D 2003 Commun. Theor. Phys. (Beijing, China) 39 27

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  • [1]

    Chen Y, Li B, Zhang H Q 2003 Chin. Phys. 12 940

    [2]

    Chen H T, Zhang H Q 2004 Commun. Theor. Phys. (Beijing) 42 497

    [3]

    Chen Y, Li B, Zhang H Q 2003 Commun. Theor. Phys. (Beijing) 40 137

    [4]

    L Z S, Zhang H Q 2003 Commun. Theor. Phys. (Beijing) 39 405

    [5]

    Xie F D, Chen J, L Z S 2005 Commun. Theor. Phys. (Beijing) 43 585

    [6]

    Li D S, Zhang H Q 2004 Chin. Phys. 13 984

    [7]

    Li D S, Zhang H Q 2003 Commun. Theor. Phys. (Beijing) 40 143

    [8]

    Ma S H, Fang J P, Zheng C L 2008 Chin. Phys. B 17 2767

    [9]

    Yan Z Y, Zhang H Q 1999 Acta. Phys. Sin. 48 1957 (in Chinese) [闫振亚, 张鸿庆 1999 物理学报 48 1957]

    [10]

    Zhang J F, Chen Y F 2001 Acta. Phys. Sin. 50 1648 (in Chinese) [张解放, 陈芳跃 2001 物理学报 50 1648]

    [11]

    Li D S, Zhang H Q 2003 Acta. Phys. Sin. 52 1569 (in Chinese) [李德生, 张鸿庆 2003 物理学报 52 1569]

    [12]

    Liu C S 2005 Acta. Phys. Sin. 54 4506 (in Chinese) [刘成仕 2005 物理学报 54 4506]

    [13]

    Liu S K, Fu Z T, Liu S D 2002 Acta. Phys. Sin. 51 1923 (in Chinese) [刘式适, 付遵涛, 刘式达 2002 物理学报 51 1923]

    [14]

    Lu D C, Hong B J, Tian L X 2006 Acta. Phys. Sin. 55 5617 (in Chinese) [卢殿臣, 洪宝剑, 田立新 2006 物理学报 55 5617]

    [15]

    Mustafa Inca, Esma Ulutas, Anjan Biswasc 2013 Chin. Phys. B 22 060204

    [16]

    Sirendaoreji, Sun J 2003 Phys. Lett. A309 387

    [17]

    Khaled A. Gepreel, Saleh Omran 2012 Chin. Phys. B 21 110204

    [18]

    Zhang S 2007 Phys. Lett. A 368 470

    [19]

    Shi L F, Chen C S, Zhou X C 2011 Chin. Phys. B 20 100507

    [20]

    Qiang J Y, Ma S H, Fang J P 2010 Chin. Phys. B 19 090305

    [21]

    Wang M L 1995 Phys. Lett. A199 169

    [22]

    Wang M L, Zhou Y B, Li Z B 1996 Phys. Lett. A216 67

    [23]

    Wang M L, Li X Z, Zhang J L 2008 Phys. Lett. A372 417

    [24]

    Fu Z T, Liu S K, Liu S D 2003 Commun. Theor. Phys. (Beijing, China) 39 27

    [25]

    Liu S K, Chen H, Fu Z T Liu S D 2003 Acta. Phys. Sin. 52 1842 (in Chinese) [刘式适, 陈华, 付遵涛, 刘式达 2003 物理学报 52 1842]

    [26]

    Ma Y L, Li B Q, Sun J Z 2009 Acta. Phys. Sin. 58 7403 (in Chinese) [马玉兰, 李帮庆, 孙践知 2009 物理学报 58 7403]

    [27]

    Li B Q, Ma Y L, Xu M P 2010 Acta. Phys. Sin. 59 1409 (in Chinese) [李帮庆, 马玉兰, 徐美萍 2010 物理学报 59 1409]

    [28]

    Li B Q, Ma Y L 2009 Acta. Phys. Sin. 58 4373(in Chinese) [李帮庆, 马玉兰 2009 物理学报 58 4373]

    [29]

    Wang M L, Li X Z, Zhang J L 2008 Phys. Lett. A372 417

    [30]

    Taogetusang, Sirendaoerji, Li S M 2011 Commun. Theor. Phys. (Beijing) 55 949

    [31]

    Taogetusang, Sirendaoerji, Li S M 2010 Chin. Phys. B 19 080303

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出版历程
  • 收稿日期:  2013-09-22
  • 修回日期:  2013-10-24
  • 刊出日期:  2014-02-05

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