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Quantum Gravitational Effects and Grand Unification.
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posted on 2023-06-08, 00:41 authored by Xavier CalmetXavier Calmet, Stephen DH Hsu, David ReebIn grand unified theories with large numbers of fields, renormalization effects significantly modify the scale at which quantum gravity becomes strong. This in turn can modify the boundary conditions for coupling constant unification, if higher dimensional operators induced by gravity are taken into consideration. We show that the generic size of, and the uncertainty in, these effects from gravity can be larger than the two-loop corrections typically considered in renormalization group analyses of unification. In some cases, gravitational effects of modest size can render unification impossible.
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Publication status
- Published
ISSN
0094-243XPublisher
AMER INST PHYSICS, 2 HUNTINGTON QUADRANGLE, STE 1NO1, MELVILLE, NY 11747-4501 USAPublisher URL
Volume
1078Page range
432-434Presentation Type
- paper
Event name
16th international Conference on Supersymmetry and the Unification of Fundamental InteractionsEvent location
Seoul, SOUTH KOREA.Event type
conferenceEvent date
JUN 16-21, 2008.Department affiliated with
- Physics and Astronomy Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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