Effective cosmological constant from TeV-scale physics: Simple field-theoretic model
Abstract
Adopting the q-theory approach to the cosmological constant problem, a simple field-theoretic model is presented which generates an effective cosmological constant (remnant vacuum energy density) of the observed order of magnitude, eff (meV)4, if there exist new TeV-scale ultramassive particles with electroweak interactions. The model is simple, in the sense that it involves only a few types of fields and two energy scales, the gravitational energy scale EPlanck 1015 TeV and the electroweak (new-physics) energy scale Eew 1-10 TeV.
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