Predictive power of grand unification from quantum gravity
If a grand-unified extension of the asymptotically safe Reuter fixed-point for quantum gravity exists, it determines free parameters of the grand-unified scalar potential. All quartic couplings take their fixed-point values in the trans-Planckian regime. They are irrelevant parameters that are, in p...
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| Main Authors: | , |
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| Format: | Article (Journal) Chapter/Article |
| Language: | English |
| Published: |
16 Sep 2019
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| In: |
Arxiv
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| Online Access: | Verlag, Volltext: http://arxiv.org/abs/1909.07318
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| Author Notes: | Astrid Eichhorn, Aaron Held, and Christof Wetterich |
| Summary: | If a grand-unified extension of the asymptotically safe Reuter fixed-point for quantum gravity exists, it determines free parameters of the grand-unified scalar potential. All quartic couplings take their fixed-point values in the trans-Planckian regime. They are irrelevant parameters that are, in principle, computable for a given particle content of the grand unified model. In turn, the direction of spontaneous breaking of the grand-unified gauge symmetry becomes predictable. For the flow of the couplings below the Planck mass, gauge and Yukawa interactions compete for the determination of the minimum of the effective potential. |
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| Item Description: | Gesehen am 18.02.2020 |
| Physical Description: | Online Resource |