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arXiv 0908.4316math-phmath.MP
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作为共形超可积系统的Laplace型方程

Laplace-type equations as conformal superintegrable systems

E. G. Kalnins, J. M. Kress, W. Miller, S. Post

摘要:

我们奠定了二阶共形超可积系统理论的基础。这样的系统本质上是一个流形上的拉普拉斯方程,带有一个附加势:$(Δ_n+V({\bf x}))Ψ=0$。不同的二阶超可积薛定谔(或亥姆霍兹)系统族$(Δ'_n+V'({\bf x}))Ψ=EΨ$可以合并到一个拉普拉斯方程中。数学物理中的大多数特殊函数、这些拉普拉斯共形超可积系统及其共形对称代数之间有着深刻的联系。利用Laplace系统的理论,我们证明了所有具有非退化势的三维Helmholtz超可积系统的分类问题,即,具有最大数量的独立paprameter的势,可以归结为对10维流形上的共形群的非线性作用的轨道进行分类的问题。

英文摘要:

We lay out the foundations of the theory of second-order conformal superintegrable systems. Such systems are essentially Laplace equations on a manifold with an added potential: $(Δ_n+V({\bf x}))Ψ=0$. Distinct families of second-order superintegrable Schrödinger (or Helmholtz) systems $(Δ'_n+V'({\bf x}))Ψ=EΨ$ can be incorporated into a single Laplace equation. There is a deep connection between most of the special functions of mathematical physics, these Laplace conformally superintegrable systems and their conformal symmetry algebras. Using the theory of the Laplace systems, we show that the problem of classifying all 3D Helmholtz superintegrable systems with nondegenerate potentials, i.e., potentials with a maximal number of independent paprameters, can be reduced to the problem of classifying the orbits of the nonlinear action of the conformal group on a 10-dimensional manifold.

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