BPS partition functions in N=4 Yang-Mills theory on T4

被引:1
作者
Henningson, Mans [1 ]
Ohlsson, Fredrik [1 ]
机构
[1] Chalmers Univ Technol, Dept Fundamental Phys, SE-41296 Gothenburg, Sweden
来源
JOURNAL OF HIGH ENERGY PHYSICS | 2011年 / 03期
基金
瑞典研究理事会;
关键词
Supersymmetric gauge theory; Extended Supersymmetry; Duality in Gauge Field Theories; GAUGE-THEORIES; MONOPOLES;
D O I
10.1007/JHEP03(2011)145
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We consider N = 4 Yang-Mills theory on a flat four-torus with the R-symmetry current coupled to a flat background connection. The partition function depends on the coupling constant of the theory, but when it is expanded in a power series in the R-symmetry connection around the loci at which one of the supersymmetries is unbroken, the constant and linear terms are in fact independent of the coupling constant and can be computed at weak coupling for all non-trivial 't Hooft fluxes. The case of a trivial 't Hooft flux is difficult because of infrared problems, but the corresponding terms in the partition function are uniquely determined by S-duality.
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页数:23
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