Linear delta expansion applied to the O'Raifeartaigh model

Abstract

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.

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

References in corpus (9)

• Dynamical SUSY Breaking in Meta-Stable Vacua
• Lectures on Supersymmetry Breaking
• Supersymmetry Breaking, R-Symmetry Breaking and Metastable Vacua
• Spontaneous R-Symmetry Breaking in O'Raifeartaigh Models
• Asymptotically Improved Convergence of Optimized Perturbation Theory in the Bose-Einstein Condensation Problem
• Applicability of the Linear delta Expansion for the lambda phi^4 Field Theory at Finite Temperature in the Symmetric and Broken Phases
• Supersymmetry and R-symmetry breaking in models with non-canonical Kahler potential
• An extension of the Linear Delta Expansion to Superspace
• Effective Action of Softly Broken Supersymmetric Theories

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• Thermodynamics and Phase Structure of the Two-Flavor Nambu--Jona-Lasinio Model Beyond Large-N_c
• A Deal with the Devil: From Divergent Perturbation Theory to an Exponentially-Convergent Self-Consistent Expansion
• Superspace evaluation of the two-loop effective potential for the O'Raifeartaigh model
• Superspace approach to the renormalization of the O'Raifeartaigh model up to the second order in the LDE parameter
• Supergraph Approach in a Higher-order LDE Calculation of the Effective Potential for F-type Broken SUSY