Abstract
We discuss a locally supersymmetric GUT with no unnaturally small couplings and just two input mass scales: M P ≈ 10 19 GeV and μ ≈ 10 11 GeV we get out both the weak scale M W ≈ μ 2 M P and the GUT scale M X ≈ (μM P ) 1 2 . The model produces an acceptable cosmological scenario similar to the one we have previously discussed for globally supersymmetric GUTs.
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