Abstract
Vacua of different gaugings of D = 4 mathcal{N} = 8 supergravity that preserve the same supersymmetries and bosonic symmetry tend to exhibit the same universal mass spectrum within their respective supergravities. For AdS4 vacua in gauged supergravities that arise upon consistent truncation of string/M-theory, we show that this universality is lost at higher Kaluza-Klein levels. However, universality is still maintained in a milder form, at least in the graviton sector: certain sums over a finite number of states remain universal. Further, we derive a mass matrix for Kaluza-Klein gravitons which is valid for all the AdS4 vacua in string/M-theory that uplift from the gaugings of D = 4 mathcal{N} = 8 supergravity that we consider. The mild universality of graviton mass sums is related to the trace of this mass matrix.
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