No fifth force in a scale invariant universe
Journal Article
·
· Physical Review D
- Univ. of Oxford, Oxford (United Kingdom)
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
We revisit the possibility that the Planck mass is spontaneously generated in scale-invariant scalar-tensor theories of gravity, typically leading to a “dilaton.” The fifth force, arising from the dilaton, is severely constrained by astrophysical measurements. We explore the possibility that nature is fundamentally scale invariant and argue that, as a consequence, the fifth-force effects are dramatically suppressed and such models are viable. Finally, we discuss possible obstructions to maintaining scale invariance and how these might be resolved.
- Research Organization:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Grant/Contract Number:
- AC02-07CH11359
- OSTI ID:
- 1350515
- Alternate ID(s):
- OSTI ID: 1347822
- Report Number(s):
- FERMILAB-PUB-16-665-T; arXiv:1612.03157; PRVDAQ; 1502606; TRN: US1700605
- Journal Information:
- Physical Review D, Vol. 95, Issue 6; ISSN 2470-0010
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 40 works
Citation information provided by
Web of Science
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