Relativity and Cosmology


Astrophysical Applications of Yilmaz Gravity Theory

Authors: Stanley L. Robertson

Huseyin Yilmaz proposed the form of a theory of gravitation (Yilmaz 1958, 1971) that has later been shown to present only minor conceptual change for Einstein's General Relativity. The primary effect of the change is to modify terms of second order in the gravitational potential or its derivatives. Since most of the weak field tests that have been taken as confirmation of General Relativity are of first order, the Yilmaz theory continues to pass all of these tests, but there are some interesting effects of the higher order terms that arise in the Yilmaz theory. These corrections move the metric singularity back to the location of a point particle source. This eliminates the black hole event horizon and permits the existence of intrinsic magnetic moments for stellar mass black hole candidates and supermassive AGN. It is shown here that the same second order corrections also eliminate the need for cosmological ``dark energy". Additional considerations dicussed here show that the Yilmaz theory correctly encompasses all of the major observational tests that must be satisfied by an acceptable relativistic gravity theory.

Comments: 36 pages, 1 Figure

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[v1] 2018-11-20 21:36:07

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