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arXiv math-ph/9901023math-phmath.MP
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两粒子系统含时薛定谔方程的接触对称性:两体中心势的对称性分类

Contact symmetry of time-dependent Schrödinger equation for a two-particle system: symmetry classification of two-body central potentials

P. Rudra

摘要:

研究了两粒子薛定谔方程中两体中心势的对称性分类。显式计算表明,它们是相同的四个不同的类的点变换。因此,在这个问题中,接触变换与点变换没有本质的不同。我们还得到了相应的李代数的详细的代数结构和这四类变换群的不变量的函数基。

英文摘要:

Symmetry classification of two-body central potentials in a two-particle Schrödinger equation in terms of contact transformations of the equation has been investigated. Explicit calculation has shown that they are of the same four different classes as for the point transformations. Thus in this problem contact transformations are not essentially different from point transformations. We have also obtained the detailed algebraic structures of the corresponding Lie algebras and the functional bases of invariants for the transformation groups in all the four classes.

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