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arXiv 0812.3862math-phmath.MP
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超对称sine-Gordon方程的不变解

Invariant solutions of the supersymmetric sine-Gordon equation

A. M. Grundland, A. J. Hariton, L. Snobl

摘要:

对N=1超对称sine-Gordon方程进行了全面的对称性分析。两种不同形式的超对称系统被认为是。我们首先研究一个系统的偏微分方程对应的系数的各种权力的反交换独立变量。接下来,我们考虑的super-sine-Gordon方程表示的玻色子超场涉及反交换的独立变量。在每一种情况下,李(超)代数的对称性是确定的,并进行分类的所有子组具有通用轨道的余维1的空间中的独立变量。对称性约化的方法被系统地应用,以获得不变的超对称模型的解决方案。几种类型的代数,双曲和双周期解的显式形式。

英文摘要:

A comprehensive symmetry analysis of the N=1 supersymmetric sine-Gordon equation is performed. Two different forms of the supersymmetric system are considered. We begin by studying a system of partial differential equations corresponding to the coefficients of the various powers of the anticommuting independent variables. Next, we consider the super-sine-Gordon equation expressed in terms of a bosonic superfield involving anticommuting independent variables. In each case, a Lie (super)algebra of symmetries is determined and a classification of all subgroups having generic orbits of codimension 1 in the space of independent variables is performed. The method of symmetry reduction is systematically applied in order to derive invariant solutions of the supersymmetric model. Several types of algebraic, hyperbolic and doubly periodic solutions are obtained in explicit form.

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