Complex Linear Effective Theory and Supersymmetry Breaking Vacua

Understand

We calculate the low energy effective action of massless and massive complex linear superfields coupled to a massive U(1) vector multiplet.

• Our calculations include superspace higher derivative corrections and therefore go beyond previous results.
• Among the superspace higher derivatives we find that terms which lead to a deformation of the auxiliary field potential and may break supersymmetry are also generated.
• We show that the supersymmetry breaking vacua can only be trusted if there exists a hierarchy between the higher order terms.