Fiber-base duality and global symmetry enhancement
Fiber-base duality and global symmetry enhancement
复制标题
纤维基二元性和全局对称性增强
DOI:
10.1007/jhep04(2015)052
复制
发表时间:
2014
影响因子:
5.4
通讯作者:
F. Yagi
中科院分区:
文献类型:
--
作者:
V. Mitev;E. Pomoni;M. Taki;F. Yagi
A bstractWe show that the 5D Nekrasov partition functions enjoy the enhanced global symmetry of the UV fixed point. The fiber-base duality is responsible for the global symmetry enhancement. For SU(2) with Nf ≤ 7 flavors the fiber-base symmetry together with the manifest flavor SO(2Nf) symmetry generate the ENf+1$$ {\mathrm{E}}_{N_{f+1}} $$ global symmetry, while in the higher rank case the manifest global symmetry of the two dual theories related by the fiber-base duality map generate the symmetry enhancement. The symmetry enhancement at the level of the partition function is manifest once we chose an appropriate reparametrization for the Coulomb moduli.