Gravity lens critical test for gravity constants and dark sector View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2018-10

AUTHORS

V. G. Gurzadyan, A. Stepanian

ABSTRACT

The recent study of the strong gravitational lens ESO 325-G004 (Collett et al., Science, 360:1342, 2018) leads to a new possibility for testing General Relativity and its extensions. Such gravity lens observational studies can be instrumental for establishing a limitation on the precision of testing General Relativity in the weak-field regime and on the two gravity constants (the Newtonian and cosmological ones) as described in Gurzadyan and Stepanian (Eur Phys J C 78:632 2018). Namely, we predict a critical value for the involved weak-field parameter γcr=0.998 (for M=1.51011M⊙ lens mass and r=2kpc light impact distance), which remarkably does not depend on any hypothetical variable but is determined only by well measured quantities. If the critical parameter γcr will be established at future observations, this will mark the first discrepancy with General Relativity of the conventional weak-field Newtonian limit, directly linked to the nature of the dark sector of the Universe. More... »

PAGES

869

Identifiers

URI

http://scigraph.springernature.com/pub.10.1140/epjc/s10052-018-6358-z

DOI

http://dx.doi.org/10.1140/epjc/s10052-018-6358-z

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1107881459


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