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Three superintegrable two-dimensional oscillators: Superintegrability, nonlinearity, and curvature

机译:三种超积分二维振荡器:超积分性,非线性和曲率

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摘要

The superintegrability of three different two-dimensional oscillators is studied: (i) a nonlinear oscillator dependent on a parameter lambda (two-dimensional version of the oscillator of Lakshmanan and Mathews), (ii) a nonlinear oscillator related to the Riccati equation, and (iii) the standard harmonic oscillator on constant curvature spaces. They can be considered as nonlinear deformations, or curvature-dependent versions, of the linear harmonic oscillator.
机译:研究了三种不同的二维振荡器的超积分性:(i)取决于参数lambda的非线性振荡器(Lakshmanan和Mathews振荡器的二维版本),(ii)与Riccati方程有关的非线性振荡器,以及(iii)等曲率空间上的标准谐波振荡器。可以将它们视为线性谐波振荡器的非线性变形或与曲率有关的形式。

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