See http://motls.blogspot.co.il/2015/05/relaxion-new-paradigm-explaining-higgs.html http://motls.blogspot.co.il/2015/05/relaxion-new-paradigm-ex... - the ratio

See http://motls.blogspot.co.il/2015/05/relaxion-new-paradigm-explaining-higgs.html http://motls.blogspot.co.il/2015/05/relaxion-new-paradigm-ex... - the ratio between Plank mass and Higgs mass has to come from somewhere, and Motl isn't convinced that the source in this model is particularly more natural.