Equation and test of possible delay time of Newton force

Abstract

Recently, a simple heuristic modification of the Newton potential with a non-zero delay-time ${\tau }_G$ has been proposed. Our modification is largely suppressed for purely gravitational interactions, it becomes relevant under non-gravitational accelerations of the sources. We illustrate how the choice ${\tau }_G\sim 1$ms may already influence the 5th digit of G determined by Cavendish experiments. Re-evaluation of old Cavendish experiments and implementing slightly modified new ones may confirm the proposal or, at least, put a stronger upper limit on ${\tau }_G$.

4 pp, 2 figs, based on talk at Int. Symp. Wigner 111 - Colourful & Deep (Budapest, 11-13 Nov, 2013)

Cited by in corpus (1)

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