Journal
PHYSICS LETTERS B
Volume 652, Issue 2-3, Pages 111-117Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2007.07.001
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We study the flat directions of non-BPS extremal black hole attractors for N = 2, d = 4 supergravities whose vector multiplets' scalar manifold is endowed with homogeneous symmetric special Kahler geometry. The non-BPS attractors with non-vanishing central charge have a moduli space described by real special geometry (and thus related to the at = 5 parent theory), whereas the moduli spaces of non-BPS attractors with vanishing central charge are certain Kahler homogeneous symmetric manifolds. The moduli spaces of the non-BPS attractors of the corresponding N = 2, d = 5 theories are also indicated, and shown to be rank-1 homogeneous symmetric manifolds. (c) 2007 Elsevier B.V. All rights reserved.
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