Abstract
By restricting the energy to a region below the Planck mass and the string compactification scale, but above the scale of gauge interactions, it is shown that gravitino pair condensation may induce local supersymmetry breaking in the coupled supergravity-super-Yang-Mills effective theory originated from Green-Schwarz superstrings. The problem of cosmological constant generation is also considered and it is shown that it may actually vanish under certain assumptions on the fermion bilinears, without, however, the need of fine-tuning the parameters of the theory.
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