The SU(3)-invariant sector of new maximal supergravity

Authors :: Giuseppe Dibitetto
Diederik Roest
Adolfo Guarino
O. Varela
Andrea Borghese
High-Energy Frontier
Source :: Borghese, A.; Dibitetto, G.; Guarino, Adolfo; Roest, D.; Varelad, O. (2013). The SU(3)-invariant sector of new maximal supergravity. Journal of High Energy Physics, 2013(3), 082. Springer 10.1007/JHEP03(2013)082 , Journal of High Energy Physics. SPRINGER, ISSUE=3;ISSN=1029-8479;TITLE=Journal of High Energy Physics, JHEP
Publication Year :: 2013
Publisher :: SPRINGER, 2013.
Abstract: We investigate the SU(3)-invariant sector of the one-parameter family of SO(8) gauged maximal supergravity that has been recently proposed. To this end, we construct the N=2 truncation of this theory and analyse its full vacuum structure. The number of critical point is doubled and includes new N=0 and N=1 branches. We numerically exhibit the parameter dependence of the location and cosmological constant of all extrema. Moreover, we provide their analytic expressions for cases of special interest. Connections with three-dimensional RG-flows are pointed out. Finally, while the mass spectra are found to be parameter independent in most cases, we show that the novel non-supersymmetric branch with SU(3) invariance provides the first counterexample to this.<br />Comment: 47 pages, 8 figures and 3 tables. v3: references added, published version