De Sitter solutions in N=4 matter coupled supergravity

Details De Sitter solutions in N=4 matter coupled supergravity De Sitter solutions in N=4 matter coupled supergravity

2002-12-18

arxiv.org/abs/hep-th/0212216v1

JHEP 0302:003,2003

Physics

High Energy Physics

High Energy Physics - Theory

14 pages

Scientific paper

10.1088/1126-6708/2003/02/003

We investigate the scalar potential of gauged N=4 supergravity with matter. The extremum in the SU(1,1)/U(1) scalars is obtained for an arbitrary number of matter multiplets. The constraints on the matter scalars are solved in terms of an explicit parametrisation of an SO(6,6+n) element. For the case of six matter multiplets we discuss both compact and noncompact gauge groups. In an example involving noncompact groups and four scalars we find a potential with an absolute minimum and a positive cosmological constant.

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