Dilaton Supersymmetry Breaking
Abstract
We argue that dilaton supersymmetry breaking in string derived supergravity requires an effective superpotential which is not separable as a function of the dilaton times a function of the moduli. We show that in a simple model with hidden sector matter condensation and a dilaton independent term one can easily obtain |FS| =0. For a wide range of realistic model parameters |FS|>>|FT| and supersymmetry is mainly broken in the dilaton direction.
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