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arXiv 2204.04899hep-th
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四维共形场论中费米子高自旋流的三点函数

Three-point functions of fermionic higher-spin currents in 4D conformal field theory

Evgeny I. Buchbinder, Benjamin J. Stone

AI总结:

本文用计算方法分析含费米子高自旋流的四维CFT中其与矢量流和能动张量三点函数的张量结构,并证明一般情形不符合N=1超对称。

摘要:

我们研究了具有费米子高自旋流 $Q_{α(2k) \dotα}$ 的四维共形场论的性质。利用一种计算方法,我们考察了两个费米子高自旋流分别与守恒矢量流 $V_m$ 以及能量-动量张量 $T_{mn}$ 的三点关联函数中所包含的独立张量结构的数量。特别地,$k=1$ 情形对应于一种“类超对称”流,即一种费米子守恒流,其性质与出现在 $\mathcal{N}=1$ 超共形场论中的超对称流相同。然而,我们表明,一般而言,三点关联函数 $\langle QQT\rangle$、$\langle\bar{Q}QV\rangle$ 和 $\langle\bar{Q}QT\rangle$ 与 $\mathcal{N}=1$ 超对称性并不一致。

英文摘要:

We investigate the properties of a four-dimensional conformal field theory possessing a fermionic higher-spin current $Q_{α(2k) \dotα}$. Using a computational approach, we examine the number of independent tensor structures contained in the three-point correlation functions of two fermionic higher-spin currents with the conserved vector current $V_{m}$, and with the energy-momentum tensor $T_{m n}$. In particular, the $k = 1$ case corresponds to a "supersymmetry-like" current, that is, a fermionic conserved current with identical properties to the supersymmetry current which appears in $\mathcal{N} = 1$ superconformal field theories. However, we show that in general, the three-point correlation functions $\langle Q Q T\rangle $, $\langle \bar{Q} Q V\rangle $ and $\langle \bar{Q} Q T\rangle $ are not consistent with $\mathcal{N}=1$ supersymmetry

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