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arXiv 1107.5580hep-th
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关于N=4 SYM中的四点函数和可积性:从弱耦合到强耦合

On four-point functions and integrability in N=4 SYM: from weak to strong coupling

Joao Caetano, Jorge Escobedo

摘要:

利用可积性技巧,我们计算了N=4 SYM中单迹规范不变算子在弱耦合下的四点函数。我们的结果对任意大小的算子都是有效的。特别是,我们研究的限制,其中两个四个运营商采取远小于其他。我们表明,在这个限制,我们的弱耦合结果与强耦合的结果在Frolov-Tseytlin极限相匹配。

英文摘要:

Using integrability techniques, we compute four-point functions of single trace gauge-invariant operators in N=4 SYM to leading order at weak coupling. Our results are valid for operators of arbitrary size. In particular, we study the limit in which two of the four operators are taken to be much smaller than the others. We show that in this limit our weak coupling result matches with the strong coupling result in the Frolov-Tseytlin limit.

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