Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-07-18
Physics
High Energy Physics
High Energy Physics - Theory
JHEP LaTeX, 19 pages
Scientific paper
It is conjectured that M-theory in asymptotically flat spacetime must be supersymmetric, and that the observed SUSY breaking in the low energy world must be attributed to the existence of a nonzero cosmological constant. This would be consistent with experiment, if the {\it critical exponent} $\alpha$ in the relation $M_{SUSY} \sim M_P (\Lambda /M_P^4)^{\alpha}$ took on the value 1/8, rather than its classical value 1/4. We attribute this large renormalization to the effect of large virtual black holes via the UV/IR correspondence.
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