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arXiv 0903.0609hep-th
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AdS_5 × S^5上弦的T-对偶、对偶共形对称和可积性

T-Duality, Dual Conformal Symmetry and Integrability for Strings on AdS_5 x S^5

Niklas Beisert

摘要:

近年来,对于N=4的超级杨-米尔斯理论和AdS 5xS 5上的超弦,人们已经得到了两个有趣的观察:在平面极限下,谱的计算由于模型的表观可积性而大大简化。此外,平面散射振幅的规范理论显示显着的功能,已被归因于一个双超共形对称的外观。在这里,我们回顾了这两个发展的联系,从经典对称性的观点,通过一个超T-自对偶。特别是,我们明确地表明如何收费的共形对称性和可积结构的对偶。

英文摘要:

In recent years two intriguing observations have been made for N=4 super Yang-Mills theory and for superstrings on AdS5xS5: In the planar limit the computation of the spectrum is vastly simplified by the apparent integrability of the models. Furthermore, planar scattering amplitudes of the gauge theory display remarkable features which have been attributed to the appearance of a dual superconformal symmetry. Here we review the connection of these two developments from the point of view of the classical symmetry by means of a super-T-self-duality. In particular, we show explicitly how the charges of conformal symmetry and of the integrable structure are related to the dual ones.

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