WHY TOPOLOGICAL CHARGES IMPLY EXTENDED SUPERSYMMETRY

被引：52
|
作者：
HLOUSEK, Z [1 ]
SPECTOR, D [1 ]
机构：
[1] HOBART & WILLIAM SMITH COLL,DEPT PHYS,GENEVA,NY 14456
来源：
NUCLEAR PHYSICS B | 1992年 / 370卷 / 01期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0550-3213(92)90348-F
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 present a proof that theories with N = 1 supersymmetry and a conserved topological charge must in fact be invariant under an N = 2 supersymmetry in which the topological charge appears as the central charge. The proof is valid in 2 + 1 and 3 + 1 dimensions. We discuss the more limited results that hold in 1 + 1 dimensions. Additionally, we consider situations in which the existence of instantons signals the presence of N = 2 supersymmetry.
引用
收藏
页码：143 / 164
页数：22
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