首页> 中文期刊> 《西北工业大学学报》 >微扰Landau-Ginzburg-Higgs方程的保结构数值分析

微扰Landau-Ginzburg-Higgs方程的保结构数值分析

         

摘要

Aim. Perturbation effect, one of the important essential attributes of practical physical and mechanical systems, should be reappeared in the structure-preserving analysis process. We now propose the generalized rnulti-symplectic method to study the perturbation effect of the perturbed Landau-Ginzburg-Higgs equation based on the developing theory of multi-symplecticity. Sections 1 through 3 of the full paper explain our explorative research in some detail. The core of section 1 is that we derive eq. (4) as the generalized multi-symplectic form for the perturbed Landau-Ginzburg-Higgs equation. The core of section 2 is that we construct the structure-preserving difference scheme eq. (5) for the generalized multi-symplectic form eq. (4). The core of section 3 is that we analyze the perturbation effect of the perturbed Landau-Ginzburg-Higgs equation system with the generalized multi-symplectic method. The results of this paper and their analysis appear to allow studying in a new way the nonconservative type geometric properties of the Hamilton system.%基于Hamilton变分原理,构造了微扰Landau-Ginzburg-Higgs方程的一阶广义多辛对称形式,随后对该形式采用多辛差分离散构造其保结构离散格式,最后通过计算机模拟,研究了微扰对Landau-Ginzburg-Higgs方程孤子解的影响,为微扰动力学系统的数值研究提供了新的途径.

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