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

J. Y. Liu, Zi Wang

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)1329-1332
Number of pages4
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume41
Issue number4
DOIs
StatePublished - 1990

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