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arXiv 0906.4572hep-th
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关于AdS半径的非重整化

On the Non-renormalization of the AdS Radius

Luca Mazzucato, Brenno Carlini Vallilo

摘要:

我们证明了在西格玛模型微扰理论中,t Hooft耦合与AdS半径之间的关系在单圈处不是重整化的.我们通过计算AdS_5 × S^5上超弦的量子有效作用量证明了这一点,并表明它不接受任何有限的α修正。我们还表明,中心荷的相互作用世界单共形场论在一个循环消失。

英文摘要:

We show that the relation between the 't Hooft coupling and the radius of AdS is not renormalized at one-loop in the sigma model perturbation theory. We prove this by computing the quantum effective action for the superstring on AdS_5 x S^5 and showing that it does not receive any finite alpha' corrections. We also show that the central charge of the interacting worldsheet conformal field theory vanishes at one-loop.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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