Cosmological constraints on Newton's constant

Journal Article · Mon Aug 15 00:00:00 EDT 2005 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PhysRevD.72.044010· OSTI ID:20711345

Umezu, Ken-ichi ^[1]; Ichiki, Kiyotomo ^[2]; Yahiro, Masanobu ^[3]

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1. Department of Astronomical Science, the Graduate University for Advanced Studies, 2-21-1, Osawa, Mitaka, Tokyo 181-8588 (Japan)
2. National Astronomical Observatory, 2-21-1, Osawa, Mitaka, Tokyo 181-8588 (Japan)
3. Department of Physics, Kyushu University, Hakozaki, Higashi-ku, Fukuoka 812-8518 (Japan)

We present cosmological constraints on deviations of Newton's constant at large scales without specifying a model, analyzing latest cosmic microwave background (CMB) anisotropies and primordial abundances of light elements synthesized by big bang nucleosynthesis (BBN). BBN limits the possible deviation at typical scales of BBN epoch, say at 10{sup 8}-10{sup 12} m, to lie between -5% and +1% of the experimental value, and CMB restricts the deviation at larger scales 10{sup 2}-10{sup 9} pc to be between -26% and +66% at the 2{sigma} confidence level. The cosmological constraints are compared with the astronomical one from the evolution of isochrone of globular clusters.

• OSTI ID: 20711345
• Journal Information: Physical Review. D, Particles Fields, Vol. 72, Issue 4; Other Information: DOI: 10.1103/PhysRevD.72.044010; (c) 2005 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANISOTROPY
COSMIC RADIATION
COSMOLOGY
ELEMENT ABUNDANCE
EVOLUTION
NUCLEOSYNTHESIS
RADIOWAVE RADIATION
RELICT RADIATION
STAR CLUSTERS