On time variations of gravitational and Yang-Mills constants in a cosmological model of superstring origin

V.D. Ivashchuk, V.N. Melnikov1, V.D. Ivashchuk, V.N. Melnikov2

Abstract

In the framework of 10-dimensional Friedmann-Calabi-Yau cosmology of superstring origin, we show that the time variation of either Newton's gravitational constant or Yang-Mills one is unavoidable in the present epoch.

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