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arXiv 0802.2735hep-th
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双巨威尔逊圈的隧穿图象

A tunneling picture of dual giant Wilson loop

Akitsugu Miwa, Yoske Sumitomo, Kentaroh Yoshida

摘要:

进一步讨论了Drukker等人在Lorentzian AdS中构造的旋转对偶巨威尔逊圈(D3-膜)解,通过对它的形状的细致观察,证明了该解是由一个对偶巨威尔逊圈和一个对偶巨引力子组成.这一观测结果表明,相应的规范理论算符应该是插入对偶巨引力子算符的k次对称威尔逊圈。为了支持这种对应关系,需要计算解的经典作用量,并与规范理论的结果进行比较。为此,我们首先执行一个威克旋转的洛伦兹解决方案,通过以下隧道处方,并获得相应的圆形或直线威尔逊圈的欧几里德解决方案。在欧几里得签名中,边界项可以以标准的方式适当地考虑,并且可以评估欧几里得解的经典作用。结果确实再现了k次对称威尔逊圈的期望值以及对偶巨引力子算符的关联函数的幂律行为。

英文摘要:

We further discuss a rotating dual giant Wilson loop (D3-brane) solution constructed in Lorentzian AdS by Drukker et al. The solution is shown to be composed of a dual giant Wilson loop and a dual giant graviton by minutely examining its shape. This observation suggests that the corresponding gauge-theory operator should be a k-th symmetric Wilson loop with the insertions of dual giant graviton operators. To support the correspondence, the classical action of the solution should be computed and compared with the gauge-theory result. For this purpose we first perform a Wick rotation to the Lorentzian solution by following the tunneling prescription and obtain Euclidean solutions corresponding to a circular or a straight-line Wilson loop. In Euclidean signature boundary terms can be properly considered in the standard manner and the classical action for the Euclidean solutions can be evaluated. The result indeed reproduces the expectation value of the k-th symmetric Wilson loop as well as the power-law behavior of the correlation function of dual giant graviton operators.

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