Monopoles and instantons on partially compactified D-branes

被引:179
作者
Lee, K
Yi, PJ
机构
[1] Physics Department, Columbia University, New York, NY
来源
PHYSICAL REVIEW D | 1997年 / 56卷 / 06期
关键词
D O I
10.1103/PhysRevD.56.3711
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Motivated by the recent D-brane constructions of world-volume monopoles and instantons, we study the supersymmetric SU(N) Yang-Mills theory on (SXR3+1)-X-1, spontaneously broken by a Wilson loop. In addition to the usual N-1 fundamental monopoles, the Nth Bogomol'nyi-Prasad-Sommerfield monopole appears from the Kaluza-Klein sector. When all N monopoles are present, net magnetic charge vanishes and the solution can be reinterpreted as a Wilson-loop instanton of unit Pontryagin number. The instanton-multimonopole moduli space is explicitly constructed, and seen to be identical to a Coulomb phase moduli space of a U(1)(N) gauge theory in 2+1 dimensions related to Kronheimer's gauge theory of SU(N)-type. This extends the results by Intriligator and Seiberg to the finite couplings that, in the infrared limit of Kronheimer's theory, the Coulomb phase parametrizes a centered SU(N) instanton. We also elaborate on the case of restored SU(N) symmetry.
引用
收藏
页码:3711 / 3717
页数:7
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