arXivDaily arXiv每日学术速递 周一至周五更新
北美退伍军人节(Veterans Day),12 日无更新
arXiv 1701.04424hep-th
收藏

带扭的四点函数

Four-Point Functions with a Twist

Till Bargheer

摘要:

本文研究了N=4的平面超Yang-Mills理论中局部算子的关联函数的OPE。所考虑的运营商有一个明确的时空依赖性,这是由扭曲的翻译发电机与某些R-对称发电机。我们限制到运营商进行少量的激励以上扭曲BMN真空。四点相关器的OPE极限主要由真空顶部的几个磁振子的内部状态决定。扭曲直接将相关器的所有时空依赖性耦合到这些磁振子。我们详细地分析了OPE,并挑选出必须取消所有双迹贡献的极端状态。

英文摘要:

We study the OPE of correlation functions of local operators in planar N=4 super Yang-Mills theory. The considered operators have an explicit spacetime dependence that is defined by twisting the translation generators with certain R-symmetry generators. We restrict to operators that carry a small number of excitations above the twisted BMN vacuum. The OPE limit of the four-point correlator is dominated by internal states with few magnons on top of the vacuum. The twisting directly couples all spacetime dependence of the correlator to these magnons. We analyze the OPE in detail, and single out the extremal states that have to cancel all double-trace contributions.

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。

↑