SEMINAR: Massive gravity from spontaneous symmetry breaking

November 14 2014, 2:30pm -  Seminar room 

Speaker: Diego Blas (CERN)

Abstract : In this talk I'll present the first proposal to give mass to the gravitons from a spontaneous symmetry breaking mechanism. In contrast to massive gauge bosons, both the broken and unbroken phases are not Lorentz invariant. 

I will provide arguments to why this may be necessary for the Higgs mechanism to work in spin-2 theories. Finally, I will present the predictions of the model in the Newtonian limit, and briefly discuss phenomenological implications.


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