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

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 Author Shuryak, Edward Source arXiv.org Content type Text File Format PDF Date of Submission 2004-07-21 Language English
 Subject Domain (in DDC) Computer science, information & general works ♦ Natural sciences & mathematics ♦ Physics Subject Keyword High Energy Physics - Theory ♦ physics:hep-th Abstract 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 $M_g\sim 10^3 TeV$. Educational Use Research Learning Resource Type Article