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Gravitational correction to running of gauge couplings | | Sean P Robinson
; Frank Wilczek
; | | Date: |
16 Jun 2006 | | Journal: | Phys Rev Lett, 96 (23), 231601 | | Abstract: | We calculate the contribution of graviton exchange to the running of gauge couplings at lowest non-trivial order in perturbation theory. Including this contribution in a theory that features coupling constant unification does not upset this unification, but rather shifts the unification scale. When extrapolated formally, the gravitational correction renders all gauge couplings asymptotically free. | | Source: | PubMed, pmid16803367 | | Other source: | [GID 896706] hep-th/0509050 | | Services: | Forum | Review | Favorites | |
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