$N=3$ four dimensional field theories

$N=3$ four dimensional field theories
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$N=3$ 四维场论

DOI:
10.22323/1.292.0101
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发表时间:
2017
期刊:
Nuclear Physics
影响因子:
--
通讯作者:
D. Regalado
D. Regalado
中科院分区:
--
文献类型:
--
作者:
I. García;D. Regalado

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我们简要回顾一下一类四维 $\mathcal N=3$ 场论,该场论是通过 $\mathcal N=4$ SYM 与规范群 $U(N)$ 的商而构建的。商涉及离散对称性,仅存在于特定的一阶耦合常数值,因此所得理论本质上是强耦合的。这些理论承认弦理论中的一个简单实现,即探测广义东方折叠平面或 S 折叠的一堆 D3 膜的世界体积理论。它们的全息对偶由 $AdS_5 \times S^5/\mathbb Z_k$ 上的非平凡 F 理论纤维化给出,该纤维化是弱弯曲的,但弦耦合冻结在一阶值。
We briefly review a class of four dimensional $\mathcal N=3$ field theories constructed by taking a quotient of $\mathcal N=4$ SYM with gauge group $U(N)$. The quotient involves a discrete symmetry that only exists for specific, order one, values of the coupling constant, so the resulting theories are intrinsically strongly coupled. These theories admit a simple realization in string theory as the worldvolume theory of a stack of D3 branes probing a generalized orientifold plane, or S-fold. Their holographic dual is given by a non-trivial F-theory fibration over $AdS_5 \times S^5/\mathbb Z_k$ which is weakly curved but with the string coupling frozen at an order one value.