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arXiv 1801.02421math-phmath.MP
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N=2超对称Calogero-Sutherland模型及其本征函数

The N=2 supersymmetric Calogero-Sutherland model and its eigenfunctions

Ludovic Alarie-Vézina, Luc Lapointe, Pierre Mathieu

摘要:

在最近的一项工作中,我们提出了N=2对称超多项式的理论。就经典基而言,这是N=1情形的相当直接的推广。然而,这种构造不能推广到杰克超多项式的公式化。这个障碍的起源在这里被解开,为建立所需的杰克扩展打开了道路。这些被证明是从非对称杰克多项式通过适当的对称化程序和适当的着装的反交换变量。这种结构是由N=2杰克超多项式的特征作为N=2超对称版本的Calogero-Sutherland模型的本征函数,其中,作为一个副结果,我们证明了完全可积性显示的明确形式的四塔相互交换(玻色子)守恒量的表征。的N=2杰克超多项式是正交的分析标量产品(诱导的量子力学配方),以及一个新的组合标量产品上定义的一个适当的变形的功率和基础。

英文摘要:

In a recent work, we have initiated the theory of N=2 symmetric superpolynomials. As far as the classical bases are concerned, this is a rather straightforward generalization of the N=1 case. However this construction could not be generalized to the formulation of Jack superpolynomials. The origin of this obstruction is unraveled here, opening the path for building the desired Jack extension. Those are shown to be obtained from the non-symmetric Jack polynomials by a suitable symmetrization procedure and an appropriate dressing by the anticommuting variables. This construction is substantiated by the characterization of the N=2 Jack superpolynomials as the eigenfunctions of the N=2 supersymmetric version of the Calogero-Sutherland model, for which, as a side result, we demonstrate the complete integrability by displaying the explicit form of four towers of mutually commuting (bosonic) conserved quantities. The N=2 Jack superpolynomials are orthogonal with respect to the analytical scalar product (induced by the quantum-mechanical formulation) as well as a new combinatorial scalar product defined on a suitable deformation of the power-sum basis.

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