Custodial supersymmetry in non-supersymmetric quiver theories

被引：11

作者：

Brax, P ^{[1
]}

Falkowski, A

Lalak, Z

Pokorski, S

机构：

[1] CEA Saclay, Serv Phys Theor, F-91191 Gif Sur Yvette, France

[2] Univ Warsaw, Inst Theoret Phys, PL-00325 Warsaw, Poland

来源：

PHYSICS LETTERS B | 2002年 / 538卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(02)02006-3

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider non-supersymmetric quiver theories obtained by orbifolding the N = 4 supersyrnmetric U(K) gauge theory by a discrete Z(Gamma) group embedded in the SU(4) R-symmetry group. We explicitly find that in such theories there are no one-loop quadratic divergences in the effective potential. Moreover, when the gauge group U(n)(Gamma) of the quiver theory is spontaneously broken down to the diagonal U(n), we identify a custodial supersymmetry which is responsible for the fermion-boson degeneracy of the mass spectrum. (C) 2002 Published by Elsevier Science B.V.

引用

页码：426 / 434

页数：9

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