Linear delta expansion applied to the O'Raifeartaigh model

Details Linear delta expansion applied to the O'Raifeartaigh model Linear delta expansion applied to the O'Raifeartaigh model

2009-04-29

arxiv.org/abs/0904.4672v2

Phys.Rev.D80:065002,2009

Physics

High Energy Physics

High Energy Physics - Theory

20 pages, 2 figures, revtex4, revised and extended, published version

Scientific paper

10.1103/PhysRevD.80.065002

We reassess the method of the linear delta expansion for the calculation of effective potentials in superspace, by adopting the improved version of the super-Feynman rules in the framework of the O'Raifeartaigh model for spontaneous supersymmetry breaking. The effective potential is calculated using both the fastest apparent convergence and the principle of minimal sensitivity criteria and the consistency and efficacy of the method are checked in deriving the Coleman-Weinberg potential.

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