Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2010-07-30
JHEP 1011:052,2010
Physics
High Energy Physics
High Energy Physics - Theory
34 pages, 2 figures; reference added, minor changes
Scientific paper
10.1007/JHEP11(2010)052
We study the role of D-terms in supersymmetry (SUSY) breaking. By carefully analyzing the SUSY multiplets containing various conserved currents in theories with global symmetries, we obtain a number of constraints on the renormalization group flow in supersymmetric field theories. Under broad assumptions, these results imply that there are no SUSY-breaking vacua, not even metastable ones, with parametrically large D-terms. This explains the absence of such D-terms in models of dynamical SUSY-breaking. There is, however, a rich class of calculable models which generate comparable D-terms and F-terms through a variety of non-perturbative effects; these D-terms can be non-abelian. We give several explicit examples of such models, one of which is a new calculable limit of the 3-2 model.
Dumitrescu Thomas T.
Komargodski Zohar
Sudano Matthew
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