THE VARIATION OF THE GRAVITATIONAL CONSTANT INFERRED FROM THE HUBBLE DIAGRAM OF TYPE Ia SUPERNOVAE-Reference-Cited by-同舟云学术

THE VARIATION OF THE GRAVITATIONAL CONSTANT INFERRED FROM THE HUBBLE DIAGRAM OF TYPE Ia SUPERNOVAE

Published:2006-08 Issue:08 Volume:15 Page:1163-1174
ISSN:0218-2718
Container-title:International Journal of Modern Physics D
language:en
Short-container-title:Int. J. Mod. Phys. D

Author:

GARCIA-BERRO ENRIQUE¹,KUBYSHIN YURI²,LOREN-AGUILAR PABLO³,ISERN JORDI³

Affiliation:

1. Departament de Física Aplicada, Universitat Politècnica de Catalunya, Escola Politècnica Superior de Castelldefels, Avda. del Canal Olímpic s/n, 08860 Castelldefels, Spain

2. Institut de Tècniques Energètiques, Universitat Politècnica de Catalunya, Edif. ETSEIB, Campus Sud, Avda. Diagonal, 647, 08028 Barcelona, Spain

3. Institut de Ciències de l'Espai, CSIC, Campus UAB, Facultat de Ciències, Torre C-5, 08193 Bellaterra, Spain

Abstract

We consider a cosmological model with a variable gravitational constant, G, based on a scalar–tensor theory. Using the recent observational data for the Hubble diagram of type Ia supernovae (SNeIa), we find a phenomenological expression describing the variation of G. The corresponding variation of the fine structure constant α within multidimensional theories is also computed and is shown not to support known constraints on Δα/α.

Publisher

World Scientific Pub Co Pte Lt

Subject

Space and Planetary Science,Astronomy and Astrophysics,Mathematical Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0218271806008772

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