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arXiv 0707.3769math-phmath.MPnlin.SI
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SL(2)-余代数空间上的超可积性

Superintegrability on sl(2)-coalgebra spaces

Angel Ballesteros, Francisco J. Herranz, Orlando Ragnisco

摘要:

我们回顾了最近推出的一套N维拟极大超可积哈密顿系统描述测地线运动,可用于产生“动态”一个大家庭的弯曲空间。从代数的观点出发,通过定义在sl(2)Poisson余代数或其量子变形上的动能Hamilton算子得到了这样的空间,并在这些空间上引入了某些势,赋予了相同的基本余代数对称性,从而保持了整个系统的超可积性.几个新的N=2的例子,这种建设明确给出,并强调特定的哈密顿导致空间的非常曲率。

英文摘要:

We review a recently introduced set of N-dimensional quasi-maximally superintegrable Hamiltonian systems describing geodesic motions, that can be used to generate "dynamically" a large family of curved spaces. From an algebraic viewpoint, such spaces are obtained through kinetic energy Hamiltonians defined on either the sl(2) Poisson coalgebra or a quantum deformation of it. Certain potentials on these spaces and endowed with the same underlying coalgebra symmetry have been also introduced in such a way that the superintegrability properties of the full system are preserved. Several new N=2 examples of this construction are explicitly given, and specific Hamiltonians leading to spaces of non-constant curvature are emphasized.

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