R-symmetry breaking, runaway directions and global symmetries in O'Raifeartaigh models

Details R-symmetry breaking, runaway directions and global symmetries in O'Raifeartaigh models R-symmetry breaking, runaway directions and global symmetries in O'Raifeartaigh models

2007-05-14

arxiv.org/abs/0705.1959v1

JHEP 0712:064,2007

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, 1 figure

Scientific paper

10.1088/1126-6708/2007/12/064

We discuss O'Raifeartaigh models with general R-charge assignments,
introduced by Shih to break R-symmetry spontaneously. We argue that most of
these models have runaway directions related to the R-symmetry. In addition, we
study the simplest model with a U(N) global symmetry and show that in a range
of parameters R-symmetry is spontaneously broken in a metastable vacuum.

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