Non-BPS Attractors in 5d and 6d Extended Supergravity

Details Non-BPS Attractors in 5d and 6d Extended Supergravity Non-BPS Attractors in 5d and 6d Extended Supergravity

2007-09-21

arxiv.org/abs/0709.3488v1

Nucl.Phys.B795:428-452,2008

Physics

High Energy Physics

High Energy Physics - Theory

1+27 pages

Scientific paper

10.1016/j.nuclphysb.2007.11.025

We connect the attractor equations of a certain class of N=2, d=5 supergravities with their (1,0), d=6 counterparts, by relating the moduli space of non-BPS d=5 black hole/black string attractors to the moduli space of extremal dyonic black string d=6 non-BPS attractors. For d = 5 real special symmetric spaces and for N = 4,6,8 theories, we explicitly compute the flat directions of the black object potential corresponding to vanishing eigenvalues of its Hessian matrix. In the case N = 4, we study the relation to the (2,0), d=6 theory. We finally describe the embedding of the N=2, d=5 magic models in N=8, d=5 supergravity as well as the interconnection among the corresponding charge orbits.

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