A new limit on time dependence of the gravitational constant from gravity modified quantum electrodynamics

Details A new limit on time dependence of the gravitational constant from gravity modified quantum electrodynamics A new limit on time dependence of the gravitational constant from gravity modified quantum electrodynamics

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.209..307m&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 209, no. 2, p. 307-308

Astronomy and Astrophysics

Astrophysics

Gravitational Constant, Quantum Electrodynamics, Time Dependence, Dirac Equation, Electron Mass, Fine Structure, Lagrangian Function

Scientific paper

The time variation of the gravitational constant G is discussed in the light of the gravity modified form of quantum electrodynamics. From the experimental upper limit the absolute value of (alpha-dot/alpha) is less than 5 x 10-15/yr on the time variation of the electromagnetic fine structure constant alpha one finds the absolute value of (G-dot/G) is less than 5 x 10-13/yr.

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