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arXiv 1907.02501hep-th
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六维四维四维导数规范理论中的单圈β函数

One-loop beta-functions in 4-derivative gauge theory in 6 dimensions

Lorenzo Casarin, Arkady A. Tseytlin

摘要:

一个经典的标度不变的6d模拟的4d杨-米尔斯理论是4-导数$ (\nabla F)^2 + F^3$规范理论与两个独立的耦合。出于搜索的微扰共形,但可能是非酉6D模型,我们计算在这个理论中的单循环$β$ -函数。使用背景场方法的系统方法需要通用4阶导数算子的$b_6$ Seeley-DeWitt系数的表达式。它以前是未知的,我们在这里得到它。作为应用,我们还计算了hep-th/0505082中构造的(1,0)超对称$ (\nabla F)^2$ 6d规范理论中的单圈$β$函数.

英文摘要:

A classically scale-invariant 6d analog of the 4d Yang-Mills theory is the 4-derivative $ (\nabla F)^2 + F^3$ gauge theory with two independent couplings. Motivated by a search for a perturbatively conformal but possibly non-unitary 6d models we compute the one-loop $β$-functions in this theory. A systematic way of doing this using the background field method requires the expression for the $b_6$ Seeley-DeWitt coefficient for a generic 4-derivative operator. It was previously unknown and we derive it here. As an application, we also compute the one-loop $β$-function in the (1,0) supersymmetric $ (\nabla F)^2$ 6d gauge theory constructed in hep-th/0505082.

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