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Title: No fifth force in a scale invariant universe

Journal Article · · Physical Review D

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
Citation Metrics:
Cited by: 40 works
Citation information provided by
Web of Science

References (36)

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Quantum scale invariance, cosmological constant and hierarchy problem text January 2008
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Generalized Higgs inflation text January 2012
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Scale invariant alternatives to general relativity. II. Dilaton properties text January 2016
Radiative Screening of Fifth Forces text January 2016

Cited By (6)

Introduction book January 2018
F ( R ) gravity in the early Universe: electroweak phase transition and chameleon mechanism journal September 2019
Scale-independent R 2 inflation journal December 2019
Standard model with spontaneously broken quantum scale invariance journal September 2017
Inflation in a scale-invariant universe journal June 2018
Inflation in a scale-invariant universe text January 2018

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