Constituent Model of Extremal non-BPS Black Holes

Details Constituent Model of Extremal non-BPS Black Holes Constituent Model of Extremal non-BPS Black Holes

2009-03-04

arxiv.org/abs/0903.0719v2

JHEP 0907:052,2009

Physics

High Energy Physics

High Energy Physics - Theory

29 pages; v2. references added

Scientific paper

10.1088/1126-6708/2009/07/052

We interpret extremal non-BPS black holes in four dimensions as threshold bound states of four 1/2-BPS constituents. We verify the no-force condition for each of the primitive constituents in the probe approximation. Our computations are for a seed solution with $\bar{D0}-D4$ charges and equal $B$-fields, but symmetries extend the result to any U-dual frame. We make the constituent model for the $D0-D6$ system explicit, and also discuss a duality frame where the constituents are $D3$ branes at angles. We demonstrate stability of the constituent model in the weak coupling description of the constituent D-branes. We discuss the relation between the BPS and non-BPS branches of configuration space.

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