No-scale N=4 supergravity coupled to Yang-Mills: the scalar potential and super-Higgs effect

Details No-scale N=4 supergravity coupled to Yang-Mills: the scalar potential and super-Higgs effect No-scale N=4 supergravity coupled to Yang-Mills: the scalar potential and super-Higgs effect

2002-11-05

arxiv.org/abs/hep-th/0211027v4

Phys.Lett. B557 (2003) 278-282

Physics

High Energy Physics

High Energy Physics - Theory

misprints corrected

Scientific paper

10.1016/S0370-2693(03)00191-6

We derive the scalar potential of the effective theory of type IIB orientifold with 3-form fluxes turned on in presence of non abelian brane coordinates. N=4 supergravity predicts a positive semidefinite potential with vanishing cosmological constant in the vacuum of commuting coordinates, with a classical moduli space given by three radial moduli and three RR scalars which complete three copies of the coset (U(1,1+n)/U(1)\otimes U(1+n)), together with 6n D3-branes coordinates, n being the rank of the gauge group G. Implications for the super Higgs mechanism are also discussed.

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