Runaway Directions in O'Raifeartaigh Models

作     者：Zheng Sun Xing-Yue Wei 孙铮;卫星月

作者机构：Center for Theoretical PhysicsCollege of Physical Science and TechnologySichuan University 

出 版 物：《Communications in Theoretical Physics》 (理论物理通讯（英文版）)

年 卷 期：2018年第69卷第12期

页      面：677-682页

核心收录：

学科分类：07[理学] 0702[理学-物理学] 

基　　金：Supported by the National Natural Science Foundation of China under Grant No.11305110 

主　　题：supersymmetry O’Raifeartaigh model R-symmetry global symmetry runaway 

摘      要：R-symmetries, which are needed for supersymmetry(SUSY) breaking in O Raifeartaigh models, often lead to SUSY runaway directions trough a complexified R-transformation. Non-R symmetries also lead to runaway directions in a similar way. This work investigates the occurrence of runaway directions of both SUSY and SUSY breaking *** clarify previous issues on fractional charges and genericness, and make a refined statement on conditions for runaway directions related to either R-symmetries or non-R symmetries. We present a generic and anomaly-free model to show the existence of runaway directions related to non-R symmetries. We also comment on the possibility to combine the non-R symmetry case to the R-symmetry case by an R-charge redefinition.