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CP2S Sigma Models Described Through Hypergeometric Orthogonal Polynomials

机译:通过超高度正交多项式描述的CP2S Sigma模型

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The main objective of this paper is to establish a new connection between the Hermitian rank-1 projector solutions of the Euclidean CP2S sigma model in two dimensions and the particular hypergeometric orthogonal polynomials called Krawtchouk polynomials. We show that any Veronese subsequent analytical solutions of the CP2S model, defined on the Riemann sphere and having a finite action, can be explicitly parametrized in terms of these polynomials. We apply these results to the analysis of surfaces associated with CP2S models defined using the generalized Weierstrass formula for immersion. We show that these surfaces are homeomorphic to spheres in the su(2s+1) algebra and express several other geometrical characteristics in terms of the Krawtchouk polynomials. Finally, a connection between the su(2) spin-s representation and the CP2S model is explored in detail.
机译:本文的主要目的是在两个维度和称为Krawtchouk多项式的特定超细正交多项式的欧几里德CP2S Sigma模型的欧氏级CP2S Sigma模型的Hermitian Rank-1投影仪解决方案之间建立新的联系。 我们表明,可以在这些多项式中明确参数化在Riemann球体上定义的CP2S模型的任何Veronese的分析解。 我们将这些结果应用于与使用广义卫星公式定义的CP2S模型相关的表面的分析,以用于沉浸。 我们表明,这些表面是在苏(2S + 1)代数中的球体上的官长,并在Krawtchouk多项式方面表达其他几种几何特征。 最后,详细探讨了SU(2)SPIN-S表示与CP2S模型之间的连接。

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