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arXiv 1105.0630hep-th
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加细拓扑弦的量子几何

Quantum Geometry of Refined Topological Strings

Mina Aganagic, Miranda C. N. Cheng, Robbert Dijkgraaf, Daniel Krefl, Cumrun Vafa

摘要:

我们考虑精化拓扑弦中的膜。我们认为它们的波函数满足依赖于多次的薛定谔方程,并在拓扑弦具有对偶矩阵模型描述的情况下证明了这一点。此外,在其中一个等变旋转接近零的极限,膜配分函数满足与时间无关的薛定谔方程。我们用这个观察,以及膜对闭弦几何的反作用,来解释涅克拉索夫和沙塔什维利观察到的四维空间中可积系统和N=2规范系统之间的联系。

英文摘要:

We consider branes in refined topological strings. We argue that their wave-functions satisfy a Schrödinger equation depending on multiple times and prove this in the case where the topological string has a dual matrix model description. Furthermore, in the limit where one of the equivariant rotations approaches zero, the brane partition function satisfies a time-independent Schroedinger equation. We use this observation, as well as the back reaction of the brane on the closed string geometry, to offer an explanation of the connection between integrable systems and N=2 gauge systems in four dimensions observed by Nekrasov and Shatashvili.

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