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arXiv 1104.4016hep-thmath-phmath.MP
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基于β变形矩阵模型的量子Hitchin系统

Quantum Hitchin Systems via beta-deformed Matrix Models

Giulio Bonelli, Kazunobu Maruyoshi, Alessandro Tanzini

摘要:

我们研究了Hitchin系统在穿孔Riemann曲面上与Liouville理论共形块相关的广义矩阵模型的β-变形的量子化。我们证明了在适当的极限下,对应于Nekrasov-Shatashvili极限,矩阵模型的回路方程再现了量子Hitchin系统在球面和环面上的哈密顿量.这些哈密顿量的本征值被证明是相应的N=2四维规范理论的手征观测量的ε 1变形。此外,我们找到了用简并场插入的共形块的矩阵模型表示的精确波函数。

英文摘要:

We study the quantization of Hitchin systems in terms of beta-deformations of generalized matrix models related to conformal blocks of Liouville theory on punctured Riemann surfaces. We show that in a suitable limit, corresponding to the Nekrasov-Shatashvili one, the loop equations of the matrix model reproduce the Hamiltonians of the quantum Hitchin system on the sphere and the torus with marked points. The eigenvalues of these Hamiltonians are shown to be the epsilon1-deformation of the chiral observables of the corresponding N=2 four dimensional gauge theory. Moreover, we find the exact wave-functions in terms of the matrix model representation of the conformal blocks with degenerate field insertions.

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