Foundations of QM and GR Journal Club

Indirect Evidence for Quantum Gravity

by Magdalena Zych (Stockholm University)

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Description

Don N. Page and C. D. Geilker

Phy. Rev. Lett. 47, 979 (1981) 

An experiment gave results inconsistent with the simplest alternative to quantum gravity, the semiclassical Einstein equations. This evidence supports (but does not prove) the hypothesis that a consistent theory of gravity coupled to quantized matter should also have the gravitational field quantized.