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arXiv 1003.1228hep-thcond-mat.stat-mechmath-phmath.MP
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陈-西蒙斯矩阵模型、二维杨-米尔斯理论和萨瑟兰模型

Chern-Simons matrix models, two-dimensional Yang-Mills theory and the Sutherland model

Richard J. Szabo, Miguel Tierz

摘要:

我们导出了陈-西蒙斯规范理论和二维杨-米尔斯规范理论的矩阵模型之间的一些新的关系。证明了Stieltjes-Wigert矩阵模型的q积分是描述2-球面上q变形Yang-Mills理论的离散矩阵模型。我们证明了在弱耦合阶段,Chern-Simons矩阵模型的半经典极限与Gross-Witten模型的半经典极限是等价的.我们研究了酉Chern-Simons矩阵模型的强耦合极限,并证明了它也诱导了Gross-Witten模型,但作为Dyson圆系综的一阶变形.我们证明了Sutherland模型与3-球上的Chern-Simons规范理论密切相关,从而与2-球上的q-变形Yang-Mills理论密切相关。特别地,Sutherland模型在其经典平衡构型中的基态波函数描述了Chern-Simons自由能。对应扩展到威尔逊线可观测量和任意简单花边规范群。

英文摘要:

We derive some new relationships between matrix models of Chern-Simons gauge theory and of two-dimensional Yang-Mills theory. We show that q-integration of the Stieltjes-Wigert matrix model is the discrete matrix model that describes q-deformed Yang-Mills theory on the 2-sphere. We demonstrate that the semiclassical limit of the Chern-Simons matrix model is equivalent to the Gross-Witten model in the weak coupling phase. We study the strong coupling limit of the unitary Chern-Simons matrix model and show that it too induces the Gross-Witten model, but as a first order deformation of Dyson's circular ensemble. We show that the Sutherland model is intimately related to Chern-Simons gauge theory on the 3-sphere, and hence to q-deformed Yang-Mills theory on the 2-sphere. In particular, the ground state wavefunction of the Sutherland model in its classical equilibrium configuration describes the Chern-Simons free energy. The correspondence is extended to Wilson line observables and to arbitrary simply-laced gauge groups.

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