with a specific choice of $f(\tilde{s})$ and $h(\tilde{t})$, the existence of a global AdS minimum for the potential will be illustrated.

Soft susy breaking parameters 
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It is worthwhile to discuss the low energy phenomenology encoded in the soft susy breaking parameters. We consider the chiral superfield of $\mathcal{N}=1$ supergravity (see section 1.1) $\Phi_{M} ={h_m,C^\alpha}$ where $h_m$ corresponds to heavily massive components and constitute the hidden sector and $C^\alpha$ are lighter mass components and constitute the observable sector. While the Latin indices run over the entire set of hidden sector fields, the Greek indices denotes the set of the MSSM fields. The superpotential and Kähler potential can be Taylor expanded with respect to the observable sector fields as (for details see [@ibanez]). $$\label{superpotential}
W=\hat{W}(h_m)+\frac{1}{2} \mu_{\alpha \beta}(h_m) C^{\alpha} C^{\beta} +\frac{1}{6} Y_{\alpha \beta \gamma}(h_m) C^{\alpha} 
C^{\beta}C^{\gamma}+.....$$ and $$\label{kahler}
K=\hat{K}(h_m,h_m^*)+\tilde K_{\bar \alpha \beta}(h_m,h_m^*){C^*}^{\bar \alpha} C^{\beta}+ 
\frac{1}{2}(Z_{\alpha \beta} C^{\alpha} C^{\beta} + h.c) + ...$$ As already mentioned the $\hat W$ and $\hat K$ represent the hidden sector components of the superpotential and Kähler potential. Similarly, in (\[kahler\]) the observable sector Kähler metric is given by $\tilde{K}_{\alpha \bar{\beta}}$. The above expansions for the superpotential and Kähler potential can be plugged in the generic expression for 