On Doubly Periodic Standing Wave Solutions of the Coupled Higgs Field Equation

On Doubly Periodic Standing Wave Solutions of the Coupled Higgs Field Equation
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耦合希格斯场方程的双周期驻波解

DOI:
10.1111/j.1467-9590.2011.00531.x
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发表时间:
2012-01
影响因子:
2.7
通讯作者:
Li, J. -H.
Li, J. -H.
中科院分区:
数学3区
文献类型:
--
作者:
Fan, E. -G.;Chow, K. -W.;Li, J. -H.

文献摘要

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利用Hirota双线性方法和theta函数恒等式,得到了一类耦合Higgs场方程的双周期驻波解.这些解用分离变量形式的θ函数表示。此外,这些解可以转换为Jacobi椭圆函数表示,其长波极限产生暗孤子的碰撞。通过与正则发展方程的已知解的比较,本文在三个方面有了新的发展。首先,在空间和时间方向上的周期,用θ函数参数τ和τ1来测量,是相互独立的,与文献中早期发现的大多数类似的解决方案完全不同。其次,双周期波解具有两族局部极大值,并详细讨论了它们的位置和类型。第三,通过Davey-Stewartson方程与耦合Higgs场方程的相似变换,我们得到了Davey-Stewartson方程新的双周期驻波解。
In this paper, we derive a class of doubly periodic standing wave solutions for a coupled Higgs field equation by employing the Hirota bilinear method and theta function identities. Such solutions are expressed in terms of theta functions with variable separation form. Moreover, it is shown that these solutions can be converted into Jacobi elliptic function representations, and their long‐wave limit yields collision of dark solitons. In comparing with known solutions of the canonical evolution equation, three new aspects will be developed in this paper. First, the periods in the spatial and temporal directions, measured in terms of the theta function parameters τ and τ1, are independent of each other, quite unlike most similar solutions found earlier in the literature. Second, the doubly periodic wave solutions possess two families of the local maxima, whose locations and types are then examined in detail. Third, we obtain new doubly periodic standing wave solutions for the Davey–Stewartson equation through its similarity transformation to the coupled Higgs field equation.
DOI: 10.1007/978-3-642-81448-8_5
发表时间: 1976-09
期刊: --
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