20-24 May 2013
Europe/Berlin timezone
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Bonn - Small Lecture Hall Mathematics

The naturally light dilaton


  • Paolo LODONE


The Goldstone theorem does not apply straightforwardly to the case of spontaneously broken spacetime symmetries such as dilatation invariance. We elucidate under which conditions a light scalar degree of freedom, identifiable with the dilaton, can naturally arise in a field theory. Our construction can be considered as an example of an explicit dynamical solution to the Cosmological Constant problem in the scalar version of gravity. Note added: it is NOT about interpreting the Higgs boson as a dilaton/impostor.