Variations in the Gravitational Constant in General Theories of Gravitation

A class of multidimensional theories is identified in which the spatial and temporal variations in the gravitational constant and the fine structure constant have a common origin and are of the same magnitude. Arguments are presented in favor of the existence of these variations despite a lack of co...

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Bibliographic Details
Published in:Measurement techniques 2015-02, Vol.57 (11), p.1255-1261
Main Authors: Bronnikov, K. A., Kononogov, S. A., Mel’nikov, V. N.
Format: Article
Language:English
Subjects:
Analysis
Analytical Chemistry
Characterization and Evaluation of Materials
Force and energy
Gravity
Measurement Science and Instrumentation
Physical Chemistry
Physics
Physics and Astronomy
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Summary:A class of multidimensional theories is identified in which the spatial and temporal variations in the gravitational constant and the fine structure constant have a common origin and are of the same magnitude. Arguments are presented in favor of the existence of these variations despite a lack of confirmed observational data on variations in the gravitational constant because of problems in constructing a unified theory of physical interactions and the well-known faint young Sun paradox. It is concluded that the gravitational constant probably depends nonlinearly on cosmological time.
ISSN:0543-1972
1573-8906
DOI:10.1007/s11018-015-0615-4