Defects in Chern-Simons theory, gauged WZW models on the brane, and level-rank duality

Defects in Chern-Simons theory, gauged WZW models on the brane, and level-rank duality
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Chern-Simons 理论、膜上测量的 WZW 模型以及级别-等级二元性中的缺陷

DOI:
10.1007/jhep07(2015)062
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发表时间:
2015
影响因子:
5.4
通讯作者:
Armoni A
Armoni A
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Armoni A

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我们考虑Hanany-Witten在IIB型弦理论中的3-和5-膜的设置,在1+ 1维中实现(2,0)和(1,1)规范WZW模型。规范WZW模型作为理论出现在D3膜的边界上,终止于D5膜。从低能动力学的观点来看,D5膜在3dorChern-Simons理论中扮演着半BPS余维1缺陷(畴壁)的角色。在对(超对称)Chern-Simons理论中边界条件的分析的基础上,我们详细讨论了一大类Chern-Simons域壁理论的场论构造及其在开弦动力学中的嵌入.最后,我们展示了如何标准膜移动的结果,三维Seiberg对偶,在我们的设置中转换为广义的水平秩对偶规范WZW模型。
We consider Hanany-Witten setups of 3-and 5-branes in type IIB string theory that realize,(2, 0) and (1, 1) gauged WZW models in 1+ 1 dimensions. The gauged WZW models arise as theories residing on the boundary of D3 branes ending on D5 branes. From the point of view of low energy dynamics the D5 branes play the role of half-BPS co-dimension-1 defects (domain walls) in 3dorChern-Simons theories. Extending the analysis of previous works on the subject of boundary conditions in (supersymmetric) Chern-Simons theory, we discuss in detail the field theory construction of a large class of Chern-Simons domain wall theories and its embedding in open string dynamics. Finally, we exhibit how standard brane moves that result to 3d Seiberg duality, translate in our setup to a generalized level-rank duality in gauged-WZW models.
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