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arXiv 2108.05441hep-th
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略破缺的高自旋对称性:关联函数的一般结构

Slightly Broken Higher Spin Symmetry: General Structure of Correlators

Pavel Gerasimenko, Alexey Sharapov, Evgeny Skvortsov

摘要:

我们探讨了一类具有更高自旋电流和电荷的CFT。远离自由或$N=\infty$极限,电流的不守恒性由电流本身构建的算子决定,这使电荷代数变形,并与其对电流的作用一起变形。这个结构被编码在某个$A_\infty/L_\infty$ -代数中。在相当一般的假设下,我们构造变形的高自旋对称性的不变量,这是候选的关联函数。特别是,我们表明,有一个有限数量的独立结构在$n$点水平。不变量被发现有一个形式让人想起一个单圈精确理论。在Chern-Simons矢量模型的情况下,不变量的唯一性意味着在大$N$极限下的三维玻色化对偶。

英文摘要:

We explore a class of CFT's with higher spin currents and charges. Away from the free or $N=\infty$ limit the non-conservation of currents is governed by operators built out of the currents themselves, which deforms the algebra of charges by, and together with, its action on the currents. This structure is encoded in a certain $A_\infty/L_\infty$-algebra. Under quite general assumptions we construct invariants of the deformed higher spin symmetry, which are candidate correlation functions. In particular, we show that there is a finite number of independent structures at the $n$-point level. The invariants are found to have a form reminiscent of a one-loop exact theory. In the case of Chern--Simons vector models the uniqueness of the invariants implies the three-dimensional bosonization duality in the large-$N$ limit.

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