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Non-Supersymmetric Theories with Light Scalar Fields and Large Hierarchies | | Matthew J. Strassler
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11 Sep 2003 | | Subject: | hep-th | | Abstract: | Various nonsupersymmetric theories at large but finite $N$ are argued to permit light scalars and large hierarchies without fine-tuning. In a dual string description, the hierarchy results from competition between classical and quantum effects. In some cases the flow may end when a string mode becomes tachyonic and condenses, thereby realizing a quantum-mechanically stable Randall-Sundrum hierarchy scenario. Among possible applications, it is suggested that lattice simulation of
four Yang-Mills at large ’t Hooft coupling may be easier than expected, and that supersymmetry may naturally be an approximate symmetry of our world. (This letter is a writeup of work presented at Aspen in summer 2002.) | | Source: | arXiv, hep-th/0309122 | | Services: | Forum | Review | PDF | Favorites | |
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