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Modified Theories of Gravity with Nonminimal Coupling and the Faint Young Sun Paradox

  • Lorenzo IorioEmail author
Chapter
Part of the Springer Proceedings in Physics book series (SPPHY, volume 170)

Abstract

A certain general class of modified gravitational theories with nonminimal coupling predicts a “pressure”-type, non-geodesic acceleration for a non-rotating, massive test particle. The resulting orbital perturbations for a two-body system consist of secular rates of change of all the standard orbital elements. The resulting variation of the mutual distance yields a physical mechanism which has the potential capability to explain, in principle, the Faint Young Sun Paradox in terms of a recession of the Earth from the Sun during the Archean.

Notes

Acknowledgments

I thank the organizers of the Karl Schwarzschild Meeting 2013 for their kind invitation and for their financial support.

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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  1. 1.Ministero dell’Istruzionedell’Università e della RicercaBariItaly

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