Superintegrable anharmonic oscillators on N-dimensional curved spaces

Abstract

The maximal superintegrability of the intrinsic harmonic oscillator potential on N-dimensional spaces with constant curvature is revisited from the point of view of sl(2)-Poisson coalgebra symmetry. It is shown how this algebraic approach leads to a straightforward definition of a new large family of quasi-maximally superintegrable perturbations of the intrinsic oscillator on such spaces. Moreover, the generalization of this construction to those N-dimensional spaces with non-constant curvature that are endowed with sl(2)-coalgebra symmetry is presented. As the first examples of the latter class of systems, both the oscillator potential on an N-dimensional Darboux space as well as several families of its quasi-maximally superintegrable anharmonic perturbations are explicitly constructed.

10 pages. Based on the contribution presented at the "17th Conference on Nonlinear Evolution Equations and Dynamical Systems" NEEDS 2007. L'Ametlla de Mar, Spain, June 17-24, 2007. Minor changes and two references added. To appear in J. Nonlinear Math. Phys

References in corpus (4)

• Superintegrable Systems in Darboux spaces
• Universal integrals for superintegrable systems on N-dimensional spaces of constant curvature
• A maximally superintegrable system on an n-dimensional space of nonconstant curvature
• N-dimensional sl(2)-coalgebra spaces with non-constant curvature

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