Numerical solution for cosmological evolution of Newton's gravitational constant in superstring theories

Details Numerical solution for cosmological evolution of Newton's gravitational constant in superstring theories Numerical solution for cosmological evolution of Newton's gravitational constant in superstring theories

Feb 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990phrvd..41.1329l&link_type=abstract

Physical Review D (Particles and Fields), Volume 41, Issue 4, 15 February 1990, pp.1329-1332

Physics

1

Scientific paper

By using a computer to solve the ten-dimensional Einstein equations in superstring theories, we find that the present value for the time variation of Newton's gravitational constant is in the range of -1×10-11 to -6×10-12 yr-1 in the case of the flat internal potential, which confirms the previous perturbative estimate.

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