A Cosmological Constant from Gauge Field Instantons?

Details A Cosmological Constant from Gauge Field Instantons? A Cosmological Constant from Gauge Field Instantons?

2004-07-21

arxiv.org/abs/hep-th/0407190v1

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

Although all interactions in the Standard Model generate nonzero shifts of the vacuum energy and pressure, gravity does not interact with them. Assuming (i) that the reason why it is so breaks down at some scale $M_g$ and that (ii) the instanton-induced shifts at such scale generate the observed cosmological constant, we found that it then should happen at a (surprisingly small) scale $M_g\sim 10^3 TeV$.

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